386 lines
49 KiB
XML
386 lines
49 KiB
XML
<document id="A73A9EA1D2F666D690405E7327FC4147" ID-DOI="10.5281/zenodo.207280" ID-GBIF-Dataset="daac9218-ee3f-4cb4-8f42-2fe28472b08f" ID-ISSN="1175-5326" ID-Zenodo-Dep="207280" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460229553634" checkinUser="plazi" docAuthor="Wosiacki, Wolmar Benjamin, Coutinho, Daniel Pires & Montag, Luciano Fogaça De Assis" docDate="2011" docId="03F9665C9C19FFEE83BE832FFE53FD33" docLanguage="en" docName="zt02752p068.pdf" docOrigin="Zootaxa 2752" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Stenolicmus Wosiacki, Coutinho & Montag, 2011, new species" docType="treatment" docVersion="8" lastPageNumber="68" masterDocId="FFC01E249C18FFE883298710FFB1FFB7" masterDocTitle="Description of a new species of sand-dwelling catfish of the genus Stenolicmus (Siluriformes; Trichomycteridae)" masterLastPageNumber="68" masterPageNumber="62" pageNumber="63" updateTime="1698238878020" updateUser="plazi">
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<mods:titleInfo id="4F0D07A49A1D750127C3949018A25E17">
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<mods:title id="1F190A4BF2D62A6AD840583240791E63">Description of a new species of sand-dwelling catfish of the genus Stenolicmus (Siluriformes; Trichomycteridae)</mods:title>
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<mods:name id="6413B0CB3C1F95FAFC965F6321874AC7" type="personal">
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<mods:roleTerm id="99A1F73CBDBE461D4F4D531B1FF3F414">Author</mods:roleTerm>
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<mods:namePart id="B2B6C808199900AE396C7445666B06C4">Wosiacki, Wolmar Benjamin</mods:namePart>
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<mods:namePart id="642635719B8F5C74FCE1B0B6845792E0">Coutinho, Daniel Pires</mods:namePart>
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<mods:name id="9F3408EBDF75DEF3F679BEDC9FBBEA76" type="personal">
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<mods:roleTerm id="B511E11B570159AD2F39A987A1D6F28F">Author</mods:roleTerm>
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<mods:namePart id="142D8BDEC878E0372ED0AC907CE2D2E8">Montag, Luciano Fogaça De Assis</mods:namePart>
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<mods:typeOfResource id="7603BB8CE13ADA1F2C4B7CD5DF21F8D7">text</mods:typeOfResource>
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<mods:title id="A50FD084FEC9EE425DC1450A6D5972A2">Zootaxa</mods:title>
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<mods:part id="CC0073404D127D8D5E2E6EB5631D3BB4">
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<mods:date id="84E80860D048F3BA96B17D1052DF36FC">2011</mods:date>
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<mods:detail id="7B1024766C501463B8FA2D78EBE77B22" type="volume">
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<mods:number id="A165BB489F1188D19508D7752DBF39AD">2752</mods:number>
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<mods:classification id="57FF6E8FFC67EB301C41642D9DD3D4BD">journal article</mods:classification>
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<mods:identifier id="B99AC5368EFD90DF04DF16ED0D7CF623" type="DOI">10.5281/zenodo.207280</mods:identifier>
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<mods:identifier id="F2393FF86659813B14444A1E90393F30" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="ECB58011C9D35BE47BC912903F1D67E5" type="Zenodo-Dep">207280</mods:identifier>
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<treatment id="03F9665C9C19FFEE83BE832FFE53FD33" ID-DOI="http://doi.org/10.5281/zenodo.6185445" ID-GBIF-Taxon="119387170" ID-Zenodo-Dep="6185445" LSID="urn:lsid:plazi:treatment:03F9665C9C19FFEE83BE832FFE53FD33" httpUri="http://treatment.plazi.org/id/03F9665C9C19FFEE83BE832FFE53FD33" lastPageId="6" lastPageNumber="68" pageId="1" pageNumber="63">
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<subSubSection id="C34A84C19C19FFE983BE832FFEE2FBCD" pageId="1" pageNumber="63" type="nomenclature">
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<paragraph id="8BEFD74A9C19FFE983BE832FFE57FBEE" blockId="1.[151,486,1087,1146]" box="[151,486,1087,1113]" pageId="1" pageNumber="63">
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<heading id="D0A760269C19FFE983BE832FFE57FBEE" bold="true" box="[151,486,1087,1113]" fontSize="11" level="1" pageId="1" pageNumber="63" reason="1">
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<emphasis id="B9240B589C19FFE983BE832FFE57FBEE" bold="true" box="[151,486,1087,1113]" pageId="1" pageNumber="63">
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<emphasis id="B9240B589C19FFE983BE832FFEF9FBEE" bold="true" box="[151,328,1087,1113]" italics="true" pageId="1" pageNumber="63">
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<taxonomicName id="4C50ACC99C19FFE983BE832FFE9BFBEE" ID-CoL="7MNX" box="[151,298,1087,1113]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="63" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
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ix
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</emphasis>
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,
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<taxonomicNameLabel id="A217B6239C19FFE9827F832FFE57FBEE" box="[342,486,1087,1113]" pageId="1" pageNumber="63" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BEFD74A9C19FFE983BE8372FEE2FBCD" blockId="1.[151,486,1087,1146]" box="[151,339,1122,1146]" pageId="1" pageNumber="63">
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<figureCitation id="136BCBCF9C19FFE983BE8372FEB3FBCD" box="[151,258,1122,1146]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="3.[151,250,983,1006]" captionStartId-1="3.[151,250,1331,1354]" captionStartId-2="4.[151,250,1130,1153]" captionTargetBox-0="[151,1436,661,962]" captionTargetBox-1="[158,1430,1064,1306]" captionTargetBox-2="[151,1436,195,1107]" captionTargetId-0="figure@3.[151,1436,661,962]" captionTargetId-1="figure@3.[151,1436,1055,1310]" captionTargetId-2="figure@4.[151,1436,195,1107]" captionTargetPageId-0="3" captionTargetPageId-1="3" captionTargetPageId-2="4" captionText-0="FIGURE 1. Left lateral view of Stenolicmus ix, holotype, MPEG 15101, 19.0 mm SL." captionText-1="FIGURE 2. Drawing of left lateral view of Stenolicmus ix, holotype, MPEG 15101, 19.0 mm SL." captionText-2="FIGURE 3. Dorsal view of head of Stenolicmus ix, holotype, MPEG 15101. Bar = 1 mm." httpUri-0="https://zenodo.org/record/207281/files/figure.png" httpUri-1="https://zenodo.org/record/207282/files/figure.png" httpUri-2="https://zenodo.org/record/207283/files/figure.png" pageId="1" pageNumber="63">Figs. 1–3</figureCitation>
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;
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<tableCitation id="C6D2E2F19C19FFE982278372FEE2FBCD" box="[270,339,1122,1146]" captionStart="TABLE 1" captionStartId="2.[151,235,404,425]" captionText="TABLE 1. Morphometric data for holotype of Stenolicmus ix." pageId="1" pageNumber="63">Tab. 1</tableCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A84C19C19FFE983BE83BBFE68FABD" pageId="1" pageNumber="63" type="materials_examined">
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<paragraph id="8BEFD74A9C19FFE983BE83BBFE68FABD" blockId="1.[151,1437,1194,2011]" pageId="1" pageNumber="63">
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<emphasis id="B9240B589C19FFE983BE83BBFEBCFB74" bold="true" box="[151,269,1195,1219]" pageId="1" pageNumber="63">
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<typeStatus id="54EB69E89C19FFE983BE83BBFEB9FB74" box="[151,264,1195,1219]" pageId="1" pageNumber="63" type="holotype">Holotype</typeStatus>
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:
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</emphasis>
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<collectionCode id="ED414F8F9C19FFE9823E83BAFED4FB75" box="[279,357,1194,1218]" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="1" pageNumber="63">MPEG</collectionCode>
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15101, 19.0mm SL,
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<collectingCountry id="F34797DA9C19FFE9817683BAFD17FB75" box="[607,678,1194,1218]" name="Brazil" pageId="1" pageNumber="63">Brazil</collectingCountry>
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, Pará State, Alenquer Municipality, unnamed igarapé tributary of Igarapé Curuá, tributary of the left margin of the Rio Amazonas,
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<geoCoordinate id="EE64B18D9C19FFE9805F83DEFC5CFB51" box="[886,1005,1230,1254]" direction="south" orientation="latitude" pageId="1" pageNumber="63" precision="1" value="-0.16322222">0°9'47.6''S</geoCoordinate>
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and
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<geoCoordinate id="EE64B18D9C19FFE9870C83DEFB00FB51" box="[1061,1201,1230,1254]" direction="west" orientation="longitude" pageId="1" pageNumber="63" precision="1" value="-55.183666">55º11'1.2''W</geoCoordinate>
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, L. F. A. Montag, D. P. Coutinho and W. B. Mota.
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A84C19C19FFE983EE8206FA84F9F9" pageId="1" pageNumber="63" type="diagnosis">
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<paragraph id="8BEFD74A9C19FFE983EE8206FA84F9F9" blockId="1.[151,1437,1194,2011]" pageId="1" pageNumber="63">
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<emphasis id="B9240B589C19FFE983EE8206FEF0FA98" bold="true" box="[199,321,1302,1327]" pageId="1" pageNumber="63">Diagnosis.</emphasis>
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<emphasis id="B9240B589C19FFE982618206FE5BFA99" box="[328,490,1302,1326]" italics="true" pageId="1" pageNumber="63">
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<taxonomicName id="4C50ACC99C19FFE982618206FE7FFA99" box="[328,462,1302,1326]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="63" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
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ix
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</emphasis>
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can be distinguished from
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<taxonomicName id="4C50ACC99C19FFE980358207FC00FA99" box="[796,945,1303,1326]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="63" phylum="Chordata" rank="species" species="sarmientoi">
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<emphasis id="B9240B589C19FFE980358207FC00FA99" box="[796,945,1303,1326]" italics="true" pageId="1" pageNumber="63">S. sarmientoi</emphasis>
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</taxonomicName>
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by the length of the nasal barbels, reaching the base of the first opercular odontodes (vs. reaching anterior margin of eyes); length of maxillary barbels reaching posterior margin of opercular odontode plate (vs. reaching posterior margin of interopercular odontode plate); seven well-developed opercular odontodes (vs. six); seven well-developed interopercular odontodes (vs. five or six); pelvic fin rays, i+4 (vs. iv); color pattern of posterior region of trunk composed of agglomerated chromatophores forming circular patches twice the diameter of the eye (vs. without circular patches twice the diameter of the eye); large eyes with 11.8% HL (vs. 6%); caudal peduncle depth, 11.6% SL (vs. 8.5–9.5%); absence of dark bar at the base of the caudal fin (vs. presence of dark bar); head length, 17.9% SL (vs. 14.9–15.1%); and unbranched rays of caudal fin long, reaching distal margin of fin (vs. rays short, not reaching half the length of caudal fin).
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</paragraph>
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</subSubSection>
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<subSubSection id="C34A84C19C19FFEB83EC814AFBFAF844" lastPageId="3" lastPageNumber="65" pageId="1" pageNumber="63" type="description">
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<paragraph id="8BEFD74A9C19FFE983EC814AFDD0F8D9" blockId="1.[151,1437,1194,2011]" pageId="1" pageNumber="63">
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<emphasis id="B9240B589C19FFE983EC814AFEE6F9C4" bold="true" box="[197,343,1626,1651]" pageId="1" pageNumber="63">Description.</emphasis>
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Morphometric data are provided in
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<tableCitation id="C6D2E2F19C19FFE981C3814AFC8FF9C5" box="[746,830,1626,1650]" captionStart="TABLE 1" captionStartId="2.[151,235,404,425]" captionText="TABLE 1. Morphometric data for holotype of Stenolicmus ix." pageId="1" pageNumber="63">Table 1</tableCitation>
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. Overall shape of body similar to that of
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<taxonomicName id="4C50ACC99C19FFE98621814BFA2DF9C4" box="[1288,1436,1627,1651]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="1" pageNumber="63" phylum="Chordata" rank="species" species="sarmientoi">
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<emphasis id="B9240B589C19FFE98621814BFA2DF9C4" box="[1288,1436,1627,1651]" italics="true" pageId="1" pageNumber="63">S. sarmientoi</emphasis>
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</taxonomicName>
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(see de
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<bibRefCitation id="EFC1AABB9C19FFE983DC816EFDA2F921" author="Pinna" box="[245,531,1662,1686]" pageId="1" pageNumber="68" refString="de Pinna, M. C. C. & Starnes, W. C. (1990) A new genus and species of Sarcoglanidinae from the Rio Mamore, Amazon basin, with comments on subfamilial phylogeny (Teleostei, Trichomycteridae). Journal of Zoology, 222, 75 - 88." type="journal article" year="1990">Pinna and Starnes, 1990</bibRefCitation>
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,
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<figureCitation id="136BCBCF9C19FFE9810B816EFDD7F921" box="[546,614,1662,1686]" captionStart="FIGURE 1" captionStartId="3.[151,250,983,1006]" captionTargetBox="[151,1436,661,962]" captionTargetId="figure@3.[151,1436,661,962]" captionTargetPageId="3" captionText="FIGURE 1. Left lateral view of Stenolicmus ix, holotype, MPEG 15101, 19.0 mm SL." httpUri="https://zenodo.org/record/207281/files/figure.png" pageId="1" pageNumber="63">Fig. 1</figureCitation>
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). Body elongate, head wider than trunk in dorsal view. Body slightly depressed at pectoral-fin insertion, gradually taller and more compressed posteriorly. Caudal peduncle gently tapering to caudal fin. Dorsal profile of head straight, gently convex from occipital to dorsal-fin origin, concave at dorsal-fin base. Dorsal profile of caudal peduncle straight; low cutaneous fold from close to last dorsal-fin ray to continuous caudal-fin base. Ventral profile of head convex, pectoral-fin girdle concave, body convex to anal-fin origin, anal-fin base concave. Ventral profile of caudal peduncle straight; low cutaneous fold from close of last dorsal-fin ray to continuous caudal-fin base.
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</paragraph>
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<paragraph id="8BEFD74A9C19FFEA83EC806AFCB3FED3" blockId="1.[151,1437,1194,2011]" lastBlockId="2.[151,1437,151,357]" lastPageId="2" lastPageNumber="64" pageId="1" pageNumber="63">Head small, depressed, less deep than body, its dorsal surface flat. Branchial membranes united to isthmus, gill openings not constricted. Eyes small but well-defined margins, with distinct lenses and covered by thin transparent integument, located dorsolaterally on head. Posterior naris round, with similar diameter of eyes, located midway between these and anterior naris, and surrounded only anteriorly by low rim of integument. Anterior naris surrounded by short tube of integument, continuous posterolaterally with nasal barbel. Mouth subterminal, upper jaw slightly longer than lower, corners only slightly curved posteriorly. Upper lip continuous with remainder of dorsal surface of head, its anterior border abruptly thinner, forming a narrow fold. Lower lip narrow, limited by rictal barbel bases, scattered papiles over surfaces, cutaneous fold as discreet lobes at corners. Snout with flat lateral expansion along area between eye and maxillary barbel base.</paragraph>
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<caption id="DF2F87C29C1AFFEA83BE8684FCBBFE1D" box="[151,778,403,426]" pageId="2" pageNumber="64">
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<paragraph id="8BEFD74A9C1AFFEA83BE8684FCBBFE1D" blockId="2.[151,1038,403,1425]" box="[151,778,403,426]" pageId="2" pageNumber="64">
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<emphasis id="B9240B589C1AFFEA83BE8684FEB5FE1E" bold="true" box="[151,260,404,425]" pageId="2" pageNumber="64">TABLE 1.</emphasis>
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Morphometric data for holotype of
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<emphasis id="B9240B589C1AFFEA815B8684FCB2FE1D" box="[626,771,404,426]" italics="true" pageId="2" pageNumber="64">
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<taxonomicName id="4C50ACC99C1AFFEA815B8684FD5AFE1D" box="[626,747,404,426]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="2" pageNumber="64" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
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ix
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</emphasis>
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.
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</paragraph>
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</caption>
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<paragraph id="8BEFD74A9C1AFFEA814886D5FD0EFE6C" blockId="2.[151,1038,403,1425]" box="[609,703,453,475]" pageId="2" pageNumber="64">
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<typeStatus id="54EB69E89C1AFFEA814886D5FD0EFE6C" box="[609,703,453,475]" pageId="2" pageNumber="64" type="holotype">Holotype</typeStatus>
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</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA814886FFFC5BFDB3" blockId="2.[151,1038,403,1425]" box="[609,1002,495,516]" pageId="2" pageNumber="64">mm %</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA83B68508FD3CFD9A" blockId="2.[151,1038,403,1425]" box="[159,653,536,558]" pageId="2" pageNumber="64">Standard length 19.0</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA83B68551FD3CFDE0" blockId="2.[151,1038,403,1425]" box="[159,653,577,599]" pageId="2" pageNumber="64">Total length 23.1</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA80FC857BFDB1F971" blockId="2.[151,1038,403,1425]" lastBlockId="2.[151,1437,1494,2023]" pageId="2" pageNumber="64">SL Body depth 3.2 16.8 Predosal length 12.8 67.4 Preanal length 13.1 68.9 Prepelvic length 10.5 55.3 Caudal peduncle depth 2.2 11.6 Caudal peduncle length 4.2 22.1 Head length 3.4 17.9 Pectoral-fin length 4.0 21.1 Pelvic-fin length 1.8 9.5 Dorsal-fin base length 1.9 10.0 Anal-fin base length 1.9 10.0 HL Head width 3.4 100.0 Interobital 0.9 26.5 Eye diameter 0.4 11.8 Maxillary barbel length 2.4 70.6 Nasal barbel length 2.0 58.8 Rictal barbel length 1.8 52.9 Breadth of mouth 1.4 41.2 All barbels with visible internal cores and similar to each other in general aspect. When completely extended, maxillary barbel reaching posterior margin of opercular patch of odontodes, rictal barbel to posterior margin of interopercular patch of odontodes, and nasal barbel to posterior margin of opercular patch of odontodes. Maxillary barbel with very broad base by enlarged maxilla, visible by transmitted light. Internal core of maxillary barbel thick and slightly darker than surrounding tissues. Rictal barbel shortest, narrow, completely overlain and partly surrounded by base of maxillary barbel. Nasal barbel thinnest. Internal cores of rictal and nasal barbels not as conspicuous as that of maxillary barbel.</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA83EC81C2FEACF885" blockId="2.[151,1437,1494,2023]" pageId="2" pageNumber="64">Opercular patch of odontodes large, roundish, with seven odontodes surrounded by fleshy rim of integument. Interopercular patch of odontodes roundish, slightly longer than deep, with seven odontodes surrounded by rim of integument.</paragraph>
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<paragraph id="8BEFD74A9C1AFFEA83EC802FFD42F829" blockId="2.[151,1437,1494,2023]" pageId="2" pageNumber="64">Pores po1-2 (postotic sensory pores 1 and 2) representing limits of latero-sensory system of skull. Lateral line nearly absent, pores ll1-2, lateral line sensory branches 1 (supracleithral sensory branch) and 2 represent a short oblique branch dorso-posterior to base of pectoral fin.</paragraph>
|
||
<paragraph id="8BEFD74A9C1AFFEB83EC80BAFD49FDD7" blockId="2.[151,1437,1494,2023]" lastBlockId="3.[151,1436,151,608]" lastPageId="3" lastPageNumber="65" pageId="2" pageNumber="64">Pectoral fin long, narrow, originating immediately posterior to posterior margin of branchial membrane, at vertical through posterior margin of opercular patch of odontodes; pectoral-fin rays i+4; first ray unbranched, segmented, longer, thicker, prolonged as a filament 1/3 of its length; remaining rays branching once, becoming gradually shorter, and thinner. Axillary gland small, restricted to area dorso-posterior to base of pectoral fin, its small pore located immediately dorsal to pectoral-fin base. Pelvic-fin rays i+4, all segmented, first largest, rays gradually decreasing mesially; fin smaller than others, origin slightly in front of anal and uro-genital openings, margin reaching area close anal-fin origin; bases of contralateral fins not in contact. Dorsal fin elongated, with rounded posterior profile, posteriorly placed, its origin located on 67.4% SL; dorsal-fin rays i+6, first, second and third longest, branched rays with incipient branching at tips. Anal-fin rays ii+4, segmented rays, first and second longest, branched rays branching once; origin located on 68.9% SL, adjacent to posterior margin of anus, continuous with integument surrounding vent, similar shape and size of dorsal fin. Caudal fin large and round, continuous with remainder of caudal peduncle; caudal-fin rays i+5/5+i, middle two rays longest, branched rays branching only once. Procurrent caudal-fin rays at least eight dorsally and ventrally forming large part of caudal peduncle depth and merging gradually into principal caudal rays. Exact number difficult to determine in alcohol preserved specimen. Five branchiostegal rays visible by transparency.</paragraph>
|
||
<caption id="DF2F87C29C1BFFEB83BE84C7FC4CFC5A" box="[151,1021,983,1006]" httpUri="https://zenodo.org/record/207281/files/figure.png" pageId="3" pageNumber="65" targetBox="[151,1436,661,962]" targetPageId="3">
|
||
<paragraph id="8BEFD74A9C1BFFEB83BE84C7FC4CFC5A" blockId="3.[151,1021,983,1006]" box="[151,1021,983,1006]" pageId="3" pageNumber="65">
|
||
<emphasis id="B9240B589C1BFFEB83BE84C7FEA2FC5A" bold="true" box="[151,275,983,1006]" pageId="3" pageNumber="65">FIGURE 1.</emphasis>
|
||
Left lateral view of
|
||
<emphasis id="B9240B589C1BFFEB82CB84C8FDC5FC59" box="[482,628,984,1006]" italics="true" pageId="3" pageNumber="65">
|
||
<taxonomicName id="4C50ACC99C1BFFEB82CB84C8FDEAFC59" box="[482,603,984,1006]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="65" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
, holotype, MPEG 15101, 19.0mm SL.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF2F87C29C1BFFEB83BE8223FBDEFAFE" box="[151,1135,1331,1354]" httpUri="https://zenodo.org/record/207282/files/figure.png" pageId="3" pageNumber="65" targetBox="[158,1430,1064,1306]" targetPageId="3">
|
||
<paragraph id="8BEFD74A9C1BFFEB83BE8223FBDEFAFE" blockId="3.[151,1135,1331,1354]" box="[151,1135,1331,1354]" pageId="3" pageNumber="65">
|
||
<emphasis id="B9240B589C1BFFEB83BE8223FEA2FAFE" bold="true" box="[151,275,1331,1354]" pageId="3" pageNumber="65">FIGURE 2.</emphasis>
|
||
Drawing of left lateral view of
|
||
<emphasis id="B9240B589C1BFFEB817D8224FD57FAFD" box="[596,742,1332,1354]" italics="true" pageId="3" pageNumber="65">
|
||
<taxonomicName id="4C50ACC99C1BFFEB817D8224FD7CFAFD" box="[596,717,1332,1354]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="65" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
, holotype, MPEG 15101, 19.0mm SL.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEFD74A9C1BFFEB83EC8266FC96F9D0" blockId="3.[151,1437,1398,2035]" pageId="3" pageNumber="65">
|
||
<emphasis id="B9240B589C1BFFEB83EC8266FE59FA38" bold="true" box="[197,488,1398,1423]" pageId="3" pageNumber="65">Pigmentation in alcohol.</emphasis>
|
||
Background color cream, slightly darker dorsally. Dorsum and flanks partially covered with irregularly distributed black chromatophores, slightly more concentrated dorsally, gradually scarce ventrally through flanks, until no pigmentation on belly. Dark chromatophores equally scattered on caudal peduncle with same concentration as in flank. Melanophores, similar to few defined stars, concentrated, forming poorly defined blotches dorso-laterally more concentrated on upper half of body on trunk and caudal peduncle. Caudal peduncle with several series of dotted lines of small chromatophores, posteriorly oblique, over myosepta, toward dorsal and ventral profiles, forming poorly defined stripes.
|
||
</paragraph>
|
||
<paragraph id="8BEFD74A9C1BFFEB83EC8162FD1DF8D5" blockId="3.[151,1437,1398,2035]" pageId="3" pageNumber="65">Dorsal head partially covered by small chromatophores, smaller than dorsal region of trunk, mostly concentrated in regions between nostrils, snout, upper lip, maxillary barbel bases, interorbital and supraoccipital. Eyes black, sharp edges. Small area lateral to eyes without chromatophores. Few minute melanophores on cheek region and surrounding opercular and interopercular patches of odontodes. Ventral portion of head white, with few chromatophores on corners of lower lip closer to rictal barbel base. Dorsal and pectoral fins with few minute chromatophores at bases. No pigmentation over anal and pelvic fins. Caudal fin with few minute chromatophores at base, a small blotch between bases of two middle-rays.</paragraph>
|
||
<paragraph id="8BEFD74A9C1BFFEB83EC807EFBFAF844" blockId="3.[151,1437,1398,2035]" pageId="3" pageNumber="65">
|
||
<emphasis id="B9240B589C1BFFEB83EC807EFD99F830" bold="true" box="[197,552,1902,1927]" pageId="3" pageNumber="65">Habitat and ecological notes.</emphasis>
|
||
The specimen of
|
||
<emphasis id="B9240B589C1BFFEB81D6807FFC2CF830" box="[767,925,1903,1927]" italics="true" pageId="3" pageNumber="65">
|
||
<taxonomicName id="4C50ACC99C1BFFEB81D6807FFCCEF830" box="[767,895,1903,1927]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicnus" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="66" phylum="Chordata" rank="genus">Stenolicnus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
was collected in the headwaters of the Rio Curuá, from a lotic area about
|
||
<quantity id="4CA87AAF9C1BFFEB82C78082FDA3F81D" box="[494,530,1938,1962]" metricMagnitude="0" metricUnit="m" metricValue="5.0" pageId="3" pageNumber="65" unit="m" value="5.0">5m</quantity>
|
||
wide and less than a meter deep. A large amount of leaf litter was present on the river bed, and the margins were dominated by amphibious vegetation (
|
||
<figureCitation id="136BCBCF9C1BFFEB809E80A7FC4CF878" box="[951,1021,1975,1999]" captionStart="FIGURE 4" captionStartId="5.[151,250,1225,1248]" captionTargetBox="[177,1412,289,1214]" captionTargetId="figure@5.[177,1413,289,1215]" captionTargetPageId="5" captionText="FIGURE 4. Type-locality of Stenolicmus ix, an unnamed stream, tributary of Igarapé Curuá, right bank tributary of the Rio Amazonas, 0 ° 9 ' 47.6 '' S and 55 º 11 ' 1.2 '' W." httpUri="https://zenodo.org/record/207284/files/figure.png" pageId="3" pageNumber="65">Fig. 4</figureCitation>
|
||
). Fifteen species of fishes, including Characiformes,
|
||
<taxonomicName id="4C50ACC99C1BFFEB826380CAFE67F845" box="[330,470,2010,2034]" class="Actinopterygii" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="65" phylum="Chordata" rank="order">Siluriformes</taxonomicName>
|
||
and Perciformes occur syntopically with
|
||
<emphasis id="B9240B589C1BFFEB808180CBFBFAF844" box="[936,1099,2011,2035]" italics="true" pageId="3" pageNumber="65">
|
||
<taxonomicName id="4C50ACC99C1BFFEB808180CBFB99F844" box="[936,1064,2011,2035]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicnus" kingdom="Animalia" order="Siluriformes" pageId="3" pageNumber="66" phylum="Chordata" rank="genus">Stenolicnus</taxonomicName>
|
||
ix.
|
||
</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF2F87C29C1CFFEC83BE837AFBAFFB36" box="[151,1054,1130,1153]" httpUri="https://zenodo.org/record/207283/files/figure.png" pageId="4" pageNumber="66" targetBox="[151,1436,195,1107]" targetPageId="4">
|
||
<paragraph id="8BEFD74A9C1CFFEC83BE837AFBAFFB36" blockId="4.[151,1054,1130,1153]" box="[151,1054,1130,1153]" pageId="4" pageNumber="66">
|
||
<emphasis id="B9240B589C1CFFEC83BE837AFEA3FB37" bold="true" box="[151,274,1130,1153]" pageId="4" pageNumber="66">FIGURE 3.</emphasis>
|
||
Dorsal view of head of
|
||
<emphasis id="B9240B589C1CFFEC812E837BFD28FB36" box="[519,665,1131,1153]" italics="true" pageId="4" pageNumber="66">
|
||
<taxonomicName id="4C50ACC99C1CFFEC812E837BFD30FB36" box="[519,641,1131,1153]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
, holotype, MPEG 15101. Bar = 1mm.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C34A84C19C1CFFEC83EC83BDFD33FB5D" pageId="4" pageNumber="66" type="distribution">
|
||
<paragraph id="8BEFD74A9C1CFFEC83EC83BDFD33FB5D" blockId="4.[151,1436,1197,2014]" pageId="4" pageNumber="66">
|
||
<emphasis id="B9240B589C1CFFEC83EC83BDFEEFFB71" bold="true" box="[197,350,1197,1222]" pageId="4" pageNumber="66">Distribution.</emphasis>
|
||
<emphasis id="B9240B589C1CFFEC824E83BEFDB4FB71" box="[359,517,1198,1222]" italics="true" pageId="4" pageNumber="66">
|
||
<taxonomicName id="4C50ACC99C1CFFEC824E83BEFE56FB71" box="[359,487,1198,1222]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicnus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="genus">Stenolicnus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
is known only from the
|
||
<typeStatus id="54EB69E89C1CFFEC800183BFFCE9FB70" box="[808,856,1199,1223]" pageId="4" pageNumber="66">type</typeStatus>
|
||
locality in the lower Amazon basin at the igarapé Curuá, Alenquer, Pará State,
|
||
<collectingCountry id="F34797DA9C1CFFEC82F583C2FD90FB5D" box="[476,545,1234,1258]" name="Brazil" pageId="4" pageNumber="66">Brazil</collectingCountry>
|
||
(
|
||
<figureCitation id="136BCBCF9C1CFFEC811983C2FDC5FB5D" box="[560,628,1234,1258]" captionStart="FIGURE 5" captionStartId="5.[151,250,1759,1782]" captionText="FIGURE 5. Map showing the type locality of Stenolicmus ix." pageId="4" pageNumber="66">Fig. 5</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34A84C19C1CFFEC83EC83E6FBECFAE1" pageId="4" pageNumber="66" type="etymology">
|
||
<paragraph id="8BEFD74A9C1CFFEC83EC83E6FBECFAE1" blockId="4.[151,1436,1197,2014]" pageId="4" pageNumber="66">
|
||
<emphasis id="B9240B589C1CFFEC83EC83E6FEFAFAB9" bold="true" box="[197,331,1270,1294]" pageId="4" pageNumber="66">Etymology.</emphasis>
|
||
The specific epithet,
|
||
<emphasis id="B9240B589C1CFFEC811483E7FDE0FAB9" box="[573,593,1271,1294]" italics="true" pageId="4" pageNumber="66">ix</emphasis>
|
||
, refers to the Mayan word "Ix", term used to describe the jaguar (
|
||
<taxonomicName id="4C50ACC99C1CFFEC861D83E6FF7CFA85" class="Mammalia" family="Felidae" genus="Panthera" kingdom="Animalia" order="Carnivora" pageId="4" pageNumber="66" phylum="Chordata" rank="species" species="onca">
|
||
<emphasis id="B9240B589C1CFFEC861D83E6FF7CFA85" italics="true" pageId="4" pageNumber="66">Panthera onca</emphasis>
|
||
</taxonomicName>
|
||
). The name refers to the color pattern of grouped patches scattered from the flanks to the dorsum, unique among its congeners and similar to the jaguar. Name in apposition. Gender masculine.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34A84C19C1CFFEE83EC8271FE53FD33" lastPageId="6" lastPageNumber="68" pageId="4" pageNumber="66" type="discussion">
|
||
<paragraph id="8BEFD74A9C1CFFEC83EC8271FCE6F8C5" blockId="4.[151,1436,1197,2014]" pageId="4" pageNumber="66">
|
||
<emphasis id="B9240B589C1CFFEC83EC8271FEFBFACD" bold="true" box="[197,330,1377,1402]" pageId="4" pageNumber="66">Discussion.</emphasis>
|
||
Based on the single available individual of
|
||
<emphasis id="B9240B589C1CFFEC806B8273FCC5FACD" box="[834,884,1379,1402]" italics="true" pageId="4" pageNumber="66">S. ix</emphasis>
|
||
, it was only possible to conduct the observation and analysis of its external anatomy and color pattern but not of its internal structure. Thus, the three synapomorphies proposed for
|
||
<taxonomicName id="4C50ACC99C1CFFEC825982BAFD95FA75" box="[368,548,1450,1474]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
(see Costa, 1994) cannot be observed in
|
||
<emphasis id="B9240B589C1CFFEC80DF82BBFB97FA75" box="[1014,1062,1451,1474]" italics="true" pageId="4" pageNumber="66">S. ix</emphasis>
|
||
. In contrast, the presence of several characters proposed by de
|
||
<bibRefCitation id="EFC1AABB9C1CFFEC82D282DEFCABFA51" author="Pinna" box="[507,794,1486,1510]" pageId="4" pageNumber="68" refString="de Pinna, M. C. C. & Starnes, W. C. (1990) A new genus and species of Sarcoglanidinae from the Rio Mamore, Amazon basin, with comments on subfamilial phylogeny (Teleostei, Trichomycteridae). Journal of Zoology, 222, 75 - 88." type="journal article" year="1990">Pinna and Starnes (1990)</bibRefCitation>
|
||
as diagnostic of
|
||
<taxonomicName id="4C50ACC99C1CFFEC80F682DEFBD7FA51" box="[991,1126,1486,1510]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1CFFEC80F682DEFBD7FA51" box="[991,1126,1486,1510]" italics="true" pageId="4" pageNumber="66">Stenolicmus</emphasis>
|
||
</taxonomicName>
|
||
justify the inclusion of the new species in the genus. The diagnostic characters for
|
||
<taxonomicName id="4C50ACC99C1CFFEC802C82E2FC3BF9BD" box="[773,906,1522,1546]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1CFFEC802C82E2FC3BF9BD" box="[773,906,1522,1546]" italics="true" pageId="4" pageNumber="66">Stenolicmus</emphasis>
|
||
</taxonomicName>
|
||
present in the
|
||
<emphasis id="B9240B589C1CFFEC871982E3FBEEF9BD" box="[1072,1119,1523,1546]" italics="true" pageId="4" pageNumber="66">S. ix</emphasis>
|
||
are: (1) elongated body, HL 17.9%; (2) absence of frontal and parietal fontanels; analysis of the skull roof of
|
||
<emphasis id="B9240B589C1CFFEC87038107FBEAF999" box="[1066,1115,1559,1582]" italics="true" pageId="4" pageNumber="66">S. ix</emphasis>
|
||
under a stereoscopic microscope showed absence of fontanels, with no visible trace of this structure even when pressuring the tegument with a utility needle in the sagittal line, indicating that the frontal bones are completely fused together and to the supraoccipital, which also shows no evidence of a fontanel; (3) opercular and interopercular odontode plates are well developed with seven major odontodes each; and (4) eight dorsal and ventral procurrent rays, visible with transmitted light, a number consistent with that present in
|
||
<taxonomicName id="4C50ACC99C1CFFEC800E81DBFC0DF955" box="[807,956,1739,1762]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="species" species="sarmientoi">
|
||
<emphasis id="B9240B589C1CFFEC800E81DBFC0DF955" box="[807,956,1739,1762]" italics="true" pageId="4" pageNumber="66">S. sarmientoi</emphasis>
|
||
</taxonomicName>
|
||
but differing from all remaining genera of the subfamily. Conversely, the three following additional diagnostic features proposed by de
|
||
<bibRefCitation id="EFC1AABB9C1CFFEC87E781FEFF50F89D" author="Pinna" pageId="4" pageNumber="68" refString="de Pinna, M. C. C. & Starnes, W. C. (1990) A new genus and species of Sarcoglanidinae from the Rio Mamore, Amazon basin, with comments on subfamilial phylogeny (Teleostei, Trichomycteridae). Journal of Zoology, 222, 75 - 88." type="journal article" year="1990">Pinna and Starnes (1990)</bibRefCitation>
|
||
for
|
||
<taxonomicName id="4C50ACC99C1CFFEC82398002FE27F89D" box="[272,406,1810,1834]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1CFFEC82398002FE27F89D" box="[272,406,1810,1834]" italics="true" pageId="4" pageNumber="66">Stenolicmus</emphasis>
|
||
</taxonomicName>
|
||
were not analyzed, because these are minute osteological structures that can only be seen in clear and stained specimens: posterior process of dorsal expansion of quadrate straight and narrow, pointed; absence of metapterygoid; and expanded distal half of maxilla.
|
||
</paragraph>
|
||
<paragraph id="8BEFD74A9C1CFFED83E7806EFEE2FF40" blockId="4.[151,1436,1197,2014]" lastBlockId="5.[151,1436,151,247]" lastPageId="5" lastPageNumber="67" pageId="4" pageNumber="66">
|
||
Eight dorsal and ventral procurrent rays were visible under transmitted light, a number consistent with that seen in
|
||
<taxonomicName id="4C50ACC99C1CFFEC83C580B3FECEF80D" box="[236,383,1955,1978]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="species" species="sarmientoi">
|
||
<emphasis id="B9240B589C1CFFEC83C580B3FECEF80D" box="[236,383,1955,1978]" italics="true" pageId="4" pageNumber="66">S. sarmientoi</emphasis>
|
||
</taxonomicName>
|
||
but different from other genera of the subfamily.
|
||
<collectingCountry id="F34797DA9C1CFFEC808080B3FC7BF80D" box="[937,970,1955,1978]" name="South Georgia and the South Sandwich Islands" pageId="4" pageNumber="66">De</collectingCountry>
|
||
<bibRefCitation id="EFC1AABB9C1CFFEC80F980B2FB58F80D" author="Pinna" box="[976,1257,1954,1978]" pageId="4" pageNumber="68" refString="de Pinna, M. C. C. & Starnes, W. C. (1990) A new genus and species of Sarcoglanidinae from the Rio Mamore, Amazon basin, with comments on subfamilial phylogeny (Teleostei, Trichomycteridae). Journal of Zoology, 222, 75 - 88." type="journal article" year="1990">Pinna and Starnes (1990)</bibRefCitation>
|
||
proposed in the diagnosis of
|
||
<taxonomicName id="4C50ACC99C1CFFEC820280D6FD82F869" box="[299,563,1990,2014]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="4" pageNumber="66" phylum="Chordata" rank="species" species="sarmientoi">
|
||
<emphasis id="B9240B589C1CFFEC820280D6FD82F869" box="[299,563,1990,2014]" italics="true" pageId="4" pageNumber="66">Stenolicmus sarmientoi</emphasis>
|
||
</taxonomicName>
|
||
that the caudal peduncle is tall, however, its measurement of 8.5–9.5% SL, agrees with the proportions in other species of
|
||
<taxonomicName id="4C50ACC99C1DFFED81808787FCECFF18" box="[681,861,151,175]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
(de
|
||
<bibRefCitation id="EFC1AABB9C1DFFED80B88787FBABFF18" author="Pinna" box="[913,1050,151,175]" pageId="5" pageNumber="68" refString="de Pinna, M. C. C. (1989) A new sarcoglanidine catfish, phylogeny of its subfamily, and an appraisal of the phyletic status of the Trichomycterinae (Teleostei, Trichomycteridae). American Museum Novitates, 2950, 1 - 39." type="journal article" year="1989">Pinna, 1989</bibRefCitation>
|
||
; Costa, 1994; de
|
||
<bibRefCitation id="EFC1AABB9C1DFFED87F68787FE92FF63" author="Pinna" pageId="5" pageNumber="68" refString="de Pinna, M. C. C. & Winemiller, K. O. (2000) A new species of Ammoglanis (Siluriformes: Trichomycteridae) from Venezuela. Ichthyological Exploration of Freshwaters, 11, 255 - 264." type="journal article" year="2000">Pinna and Winemiller, 2000</bibRefCitation>
|
||
). In contrast,
|
||
<emphasis id="B9240B589C1DFFED829087ADFE59FF63" box="[441,488,189,212]" italics="true" pageId="5" pageNumber="67">S. ix</emphasis>
|
||
does have a distinctly tall peduncle (11.6% SL) when compared to other members of
|
||
<taxonomicName id="4C50ACC99C1DFFED83BE87CFFEFEFF40" box="[151,335,223,247]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="DF2F87C29C1DFFED83BE83D9FD9FFB49" httpUri="https://zenodo.org/record/207284/files/figure.png" pageId="5" pageNumber="67" targetBox="[177,1412,289,1214]" targetPageId="5">
|
||
<paragraph id="8BEFD74A9C1DFFED83BE83D9FD9FFB49" blockId="5.[151,1437,1225,1278]" pageId="5" pageNumber="67">
|
||
<emphasis id="B9240B589C1DFFED83BE83D9FEA5FB68" bold="true" box="[151,276,1225,1248]" pageId="5" pageNumber="67">FIGURE 4.</emphasis>
|
||
Type-locality of
|
||
<emphasis id="B9240B589C1DFFED82E083DAFDECFB57" box="[457,605,1226,1248]" italics="true" pageId="5" pageNumber="67">
|
||
<taxonomicName id="4C50ACC99C1DFFED82E083DAFDF2FB57" box="[457,579,1226,1248]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
, an unnamed stream, tributary of Igarapé Curuá, right bank tributary of the Rio Amazonas, 0°9'47.6''S and 55º11'1.2''W.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF2F87C29C1DFFED83BE81CFFCB6F942" box="[151,775,1759,1782]" pageId="5" pageNumber="67">
|
||
<paragraph id="8BEFD74A9C1DFFED83BE81CFFCB6F942" blockId="5.[151,775,1759,1782]" box="[151,775,1759,1782]" pageId="5" pageNumber="67">
|
||
<emphasis id="B9240B589C1DFFED83BE81CFFEA3F942" bold="true" box="[151,274,1759,1782]" pageId="5" pageNumber="67">FIGURE 5.</emphasis>
|
||
Map showing the type locality of
|
||
<emphasis id="B9240B589C1DFFED814781CFFCB1F941" box="[622,768,1759,1782]" italics="true" pageId="5" pageNumber="67">
|
||
<taxonomicName id="4C50ACC99C1DFFED814781CFFD59F942" box="[622,744,1759,1781]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="genus">Stenolicmus</taxonomicName>
|
||
ix
|
||
</emphasis>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BEFD74A9C1DFFEE83EC8033FD8CFE88" blockId="5.[151,1436,1826,2031]" lastBlockId="6.[151,1436,151,644]" lastPageId="6" lastPageNumber="68" pageId="5" pageNumber="67">
|
||
Most of species of
|
||
<taxonomicName id="4C50ACC99C1DFFED82BE8032FDFFF88D" box="[407,590,1826,1850]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
, except for
|
||
<emphasis id="B9240B589C1DFFED81E68033FD4EF88D" box="[719,767,1827,1850]" italics="true" pageId="5" pageNumber="67">S. ix</emphasis>
|
||
and
|
||
<taxonomicName id="4C50ACC99C1DFFED801D8032FB85F88D" box="[820,1076,1826,1850]" class="Actinopterygii" family="Trichomycteridae" genus="Microcambeva" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="species" species="riberae">
|
||
<emphasis id="B9240B589C1DFFED801D8032FB85F88D" box="[820,1076,1826,1850]" italics="true" pageId="5" pageNumber="67">Microcambeva riberae</emphasis>
|
||
</taxonomicName>
|
||
, have a pale or translucent color pattern, with only minute chromatophores sparsely scattered over the body, usually more concentrated dorsally on the body but not forming visible patches with a diameter similar or larger than the eye. In contrast, the patches present in
|
||
<emphasis id="B9240B589C1DFFED83C9809FFEA0F811" box="[224,273,1935,1958]" italics="true" pageId="5" pageNumber="67">S. ix</emphasis>
|
||
and
|
||
<taxonomicName id="4C50ACC99C1DFFED82658080FE77F811" box="[332,454,1934,1959]" class="Actinopterygii" family="Trichomycteridae" genus="Microcambeva" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="species" species="riberae">
|
||
<emphasis id="B9240B589C1DFFED82658080FE77F811" box="[332,454,1934,1959]" italics="true" pageId="5" pageNumber="67">M. riberae</emphasis>
|
||
</taxonomicName>
|
||
have a distinct pattern. In
|
||
<emphasis id="B9240B589C1DFFED81D3809FFC9AF811" box="[762,811,1935,1958]" italics="true" pageId="5" pageNumber="67">S. ix</emphasis>
|
||
, the patches are large, poorly defined, with a diameter equal to or, twice the diameter of the eye and irregularly distributed over the body, more concentrated in the dorsal region. In
|
||
<taxonomicName id="4C50ACC99C1DFFED823980C8FE3AF859" box="[272,395,2006,2031]" class="Actinopterygii" family="Trichomycteridae" genus="Microcambeva" kingdom="Animalia" order="Siluriformes" pageId="5" pageNumber="67" phylum="Chordata" rank="species" species="riberae">
|
||
<emphasis id="B9240B589C1DFFED823980C8FE3AF859" box="[272,395,2006,2031]" italics="true" pageId="5" pageNumber="67">M. riberae</emphasis>
|
||
</taxonomicName>
|
||
, there are conspicuous dark patches, but smaller than the diameter of the eye, arranged in series of 9–13 patches along the midline of the flanks and in two series of patches along the dorsolateral and dorsal midline portions. Costa (1994) hypothesized that the more densely pigmented pattern observed in
|
||
<taxonomicName id="4C50ACC99C1EFFEE87F587ADFAC1FF63" box="[1244,1392,189,212]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="species" species="sarmientoi">
|
||
<emphasis id="B9240B589C1EFFEE87F587ADFAC1FF63" box="[1244,1392,189,212]" italics="true" pageId="6" pageNumber="68">S. sarmientoi</emphasis>
|
||
</taxonomicName>
|
||
is a reversal within
|
||
<taxonomicName id="4C50ACC99C1EFFEE826587CFFDB2FF40" box="[332,515,223,247]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
, a pattern that is evidently shared with
|
||
<emphasis id="B9240B589C1EFFEE80FA87F0FBB7FF4F" box="[979,1030,224,248]" italics="true" pageId="6" pageNumber="68">S. ix</emphasis>
|
||
. Thus, considering the proposal of Costa (1994), it is more parsimonious to interpret the color patterns observed in
|
||
<taxonomicName id="4C50ACC99C1EFFEE87068615FB18FEAB" box="[1071,1193,260,284]" class="Actinopterygii" family="Trichomycteridae" genus="Microcambeva" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="species" species="riberae">
|
||
<emphasis id="B9240B589C1EFFEE87068615FB18FEAB" box="[1071,1193,260,284]" italics="true" pageId="6" pageNumber="68">M. riberae</emphasis>
|
||
</taxonomicName>
|
||
and in the species of
|
||
<taxonomicName id="4C50ACC99C1EFFEE83BE8638FEACFEF7" box="[151,285,296,320]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1EFFEE83BE8638FEACFEF7" box="[151,285,296,320]" italics="true" pageId="6" pageNumber="68">Stenolicmus</emphasis>
|
||
</taxonomicName>
|
||
as independent reversals.
|
||
</paragraph>
|
||
<paragraph id="8BEFD74A9C1EFFEE83EC865CFE68FE78" blockId="6.[151,1436,151,644]" pageId="6" pageNumber="68">
|
||
The distribution of species of the genus, apparently, is not limited to the physical and chemical conditions of the rivers, since
|
||
<taxonomicName id="4C50ACC99C1EFFEE82788660FE57FE3F" box="[337,486,368,392]" class="Actinopterygii" family="Trichomycteridae" genus="Stenolicmus" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="species" species="sarmientoi">
|
||
<emphasis id="B9240B589C1EFFEE82788660FE57FE3F" box="[337,486,368,392]" italics="true" pageId="6" pageNumber="68">S. sarmientoi</emphasis>
|
||
</taxonomicName>
|
||
occurs in whitewater of the Río Matos, tributary of the Río Apero, Mamoré system (
|
||
<collectingCountry id="F34797DA9C1EFFEE83B68684FF46FE1B" box="[159,247,404,428]" name="Bolivia" pageId="6" pageNumber="68">Bolivia</collectingCountry>
|
||
), and
|
||
<emphasis id="B9240B589C1EFFEE82108685FED8FE1B" box="[313,361,405,428]" italics="true" pageId="6" pageNumber="68">S. ix</emphasis>
|
||
occurs in clearwater, also recorded for species of
|
||
<taxonomicName id="4C50ACC99C1EFFEE80B38684FB90FE1B" box="[922,1057,404,428]" class="Actinopterygii" family="Trichomycteridae" genus="Typhlobelus" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1EFFEE80B38684FB90FE1B" box="[922,1057,404,428]" italics="true" pageId="6" pageNumber="68">Typhlobelus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C50ACC99C1EFFEE877E8684FF6AFE78" authority="Schaefer et al., 2005" authorityName="Schaefer et al." authorityYear="2005" class="Actinopterygii" family="Trichomycteridae" genus="Pygidianops" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9240B589C1EFFEE877E8684FB52FE1B" box="[1111,1251,404,428]" italics="true" pageId="6" pageNumber="68">Pygidianops</emphasis>
|
||
(
|
||
<bibRefCitation id="EFC1AABB9C1EFFEE87DB8684FF62FE78" author="Schaefer" pageId="6" pageNumber="68" refString="Schaefer, S. A., Provenzano, F., de Pinna, M. C. C. & Baskin, J. N. (2005) New and noteworthy Venezuelan glanapterygine catfishes (Siluriformes, Trichomycteridae), with a discussion of their biogeography and psammophily. American Museum Novitates, 3496, 1 - 27." type="journal article" year="2005">
|
||
Schaefer
|
||
<emphasis id="B9240B589C1EFFEE86748685FA24FE1B" box="[1373,1429,404,428]" italics="true" pageId="6" pageNumber="68">et al.</emphasis>
|
||
, 2005
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
, both Glanapteriginae.
|
||
</paragraph>
|
||
<paragraph id="8BEFD74A9C1EFFEE83EC86CCFE53FD33" blockId="6.[151,1436,151,644]" pageId="6" pageNumber="68">
|
||
The individual of
|
||
<emphasis id="B9240B589C1EFFEE82BB86CDFE75FE43" box="[402,452,477,500]" italics="true" pageId="6" pageNumber="68">S. ix</emphasis>
|
||
was collected with a sieve by scraping sand and leaf litter from the river bed. It is not possible, though, to assert the
|
||
<typeStatus id="54EB69E89C1EFFEE82C18510FDA9FDAF" box="[488,536,512,536]" pageId="6" pageNumber="68">type</typeStatus>
|
||
of environment used by
|
||
<emphasis id="B9240B589C1EFFEE80068510FCEEFDAF" box="[815,863,512,536]" italics="true" pageId="6" pageNumber="68">S. ix</emphasis>
|
||
, because no observations were made of the species in its natural habitat. However, we can suggest a sand-dwelling behavior for this species, considering where it was collected and the fact that most species of
|
||
<taxonomicName id="4C50ACC99C1EFFEE81468557FC99FDE8" box="[623,808,583,607]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="subFamily" subFamily="Glanapteryginae">Glanapteryginae</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C50ACC99C1EFFEE80778557FBA3FDE8" box="[862,1042,583,607]" class="Actinopterygii" family="Trichomycteridae" kingdom="Animalia" order="Siluriformes" pageId="6" pageNumber="68" phylum="Chordata" rank="subFamily" subFamily="Sarcoglanidinae">Sarcoglanidinae</taxonomicName>
|
||
are associated with sandy environments (
|
||
<bibRefCitation id="EFC1AABB9C1EFFEE83C1857CFE67FD33" author="Schaefer" box="[232,470,620,644]" pageId="6" pageNumber="68" refString="Schaefer, S. A., Provenzano, F., de Pinna, M. C. C. & Baskin, J. N. (2005) New and noteworthy Venezuelan glanapterygine catfishes (Siluriformes, Trichomycteridae), with a discussion of their biogeography and psammophily. American Museum Novitates, 3496, 1 - 27." type="journal article" year="2005">
|
||
Schaefer
|
||
<emphasis id="B9240B589C1EFFEE827A857DFE3AFD33" box="[339,395,620,644]" italics="true" pageId="6" pageNumber="68">et al.</emphasis>
|
||
, 2005
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |