280 lines
32 KiB
XML
280 lines
32 KiB
XML
<document id="AD58446425D45CD1D66EA3D8FB7BAABD" ID-DOI="http://dx.doi.org/10.3897/zookeys.482.6909" ID-GBIF-Dataset="f3b9c3ce-ece1-42f2-bb37-09fa8a73abd6" ID-PMC="PMC4337218" ID-Pensoft-Pub="1313-2970-482-21" ID-PubMed="25709528" ID-ZooBank="0069EEE37654461AA817EDD23EA4470A" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-482-21" ModsDocOrigin="ZooKeys 482" ModsDocTitle="Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil" checkinTime="1451244662775" checkinUser="pensoft" docAuthor="Silva, Gabriel S. C., Roxo, Fabio F. & Oliveira, Claudio" docDate="2015" docId="F4B7780EB1623147D0A087D0ADE8D844" docLanguage="en" docName="ZooKeys 482: 21-34" docOrigin="ZooKeys 482" docSource="http://dx.doi.org/10.3897/zookeys.482.6909" docTitle="Pseudancistrus kayabi Silva, Roxo & Oliveira, 2015, sp. n." docType="treatment" docUuid="F8B055A4-C576-4FC5-B0CF-8021F0B7DD93" docUuidSource="ZooBank" docVersion="5" lastPageNumber="25" masterDocId="2A63FFC2C9143F34F77FFFC9FFDCFFD2" masterDocTitle="Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil" masterLastPageNumber="34" masterPageNumber="21" pageNumber="23" updateTime="1701314855629" updateUser="plazi">
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<mods:title id="5D115F37D83FBA04048A72EE104935F9">Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil</mods:title>
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<mods:name id="C16F8D60CDF0F79E495D2472359C88A0" type="personal">
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<mods:namePart id="E894A77AC6EC721D126F1FD72AEF495E">Silva, Gabriel S. C.</mods:namePart>
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<mods:namePart id="474FD5977B2B21672E067F4593E7E1BE">Roxo, Fabio F.</mods:namePart>
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<mods:namePart id="3C38DF4DBC3B3CD5AB38ACEFC3927D3B">Oliveira, Claudio</mods:namePart>
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<mods:title id="6ED04BF904537A3898F3B0D68F220ED8">ZooKeys</mods:title>
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<mods:part id="D44908E72E367E92543DDB76FE0C8E68">
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<mods:date id="8CA5244BF499CC32E0B6038D608FF3F1">2015</mods:date>
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<mods:detail id="D7F5F31DBBF29848BC0968092F9D4899" type="volume">
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<mods:number id="105576D9362BE4A1477B5C377433BE7F">482</mods:number>
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<mods:url id="41210FEFBBB6410795AA9EB1D4289461">http://dx.doi.org/10.3897/zookeys.482.6909</mods:url>
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<mods:classification id="B59BADE765C06A6DE30BB08087D6843C">journal article</mods:classification>
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<mods:identifier id="6841F22205B1DF41AD6B06CAA1B0C61A" type="DOI">http://dx.doi.org/10.3897/zookeys.482.6909</mods:identifier>
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<mods:identifier id="FC04206B0C7384010B9AB4DC6052C2C1" type="Pensoft-Pub">1313-2970-482-21</mods:identifier>
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<treatment id="F4B7780EB1623147D0A087D0ADE8D844" ID-GBIF-Taxon="152058256" LSID="urn:lsid:zoobank.org:act:F8B055A4-C576-4FC5-B0CF-8021F0B7DD93" httpUri="http://treatment.plazi.org/id/F4B7780EB1623147D0A087D0ADE8D844" lastPageId="4" lastPageNumber="25" pageId="2" pageNumber="23">
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<subSubSection id="7F47A9E9A6F233B2D5E9D02C4C000A8C" pageId="2" pageNumber="23" type="multiple">
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<paragraph id="A92F7465AB0FA15A9FA3B64946A878AE" pageId="2" pageNumber="23">Taxon classification Animalia Siluriformes Loricariidae</paragraph>
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</subSubSection>
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<subSubSection id="BCA7DB0F012C98D7CC31991B003AE0BD" pageId="2" pageNumber="23" type="nomenclature">
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<paragraph id="D6C6CB405E66D3296CA140805C9CCAE6" pageId="2" pageNumber="23">
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<taxonomicName id="E5E65E66C7E3537FAD4C354A7370A197" ID-CoL="4NK8T" LSID="http://zoobank.org/F8B055A4-C576-4FC5-B0CF-8021F0B7DD93" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
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<taxonomicNameLabel id="D99C03E2D1BFB60337FA90FCB2168711" pageId="2" pageNumber="23">sp. n.</taxonomicNameLabel>
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Figure 1, Table 1
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</paragraph>
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</subSubSection>
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<subSubSection id="D891AC7B47CD91799BA5271ED4643000" pageId="2" pageNumber="23" type="holotype">
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<paragraph id="4E2349B685233861A25D041EB63DB620" pageId="2" pageNumber="23">Holotype.</paragraph>
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<paragraph id="8BDAB97CBFC18833DA8BE82863536B73" pageId="2" pageNumber="23">
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MZUSP 116322, male, 88.4 mm SL. Brazil: Mato Grosso State: municipality of
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<normalizedToken id="5F611F071FA215C9EC30E67FF0B95484" originalValue="Itaúba">Itauba</normalizedToken>
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: rio Teles Pires (
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<normalizedToken id="8BD29ED379A63BB34BDE5DA48E17A650" originalValue="Tapajós">Tapajos</normalizedToken>
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River basin),
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<geoCoordinate id="A18CBEDE7D78EECD1C566E95DF00A967" direction="south" orientation="latitude" precision="15" value="-10.974999">10°58'30"S</geoCoordinate>
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,
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<geoCoordinate id="2054F39262590E9FB92E3F5086E2F7DE" direction="west" orientation="longitude" precision="15" value="-55.734165">55°44'03"W</geoCoordinate>
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, 01 October 2007, JLO Birindelli, P Hollanda-Carvalho.
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</paragraph>
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</subSubSection>
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<subSubSection id="C24C9CE90A8B823489A8156DA2F69ECE" pageId="2" pageNumber="23" type="paratypes">
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<paragraph id="CC52F284D354A23F9D16A3CE8AD288DF" pageId="2" pageNumber="23">Paratypes.</paragraph>
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<paragraph id="23358DD5A66B50EEA111B9DB738A988F" pageId="2" pageNumber="23">
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All from Brazil: Mato Grosso State: rio Teles Pires (
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<normalizedToken id="D857C949E9617557E95CD0EF9501AAE8" originalValue="Tapajós">Tapajos</normalizedToken>
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River basin): Amazon basin. AUM 65641 2, 74.5−80.3 mm SL, municipality of
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<normalizedToken id="29A6442C0E6E3019EDAF2FCCF6B16EED" originalValue="Itaúba">Itauba</normalizedToken>
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,
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<geoCoordinate id="6746166C7E936620801229D82F03074B" direction="south" orientation="latitude" precision="15" value="-11.0622225">11°03'44"S</geoCoordinate>
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,
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<geoCoordinate id="C21551E514BEEADD88B53971AFDFFFDC" direction="west" orientation="longitude" precision="15" value="-55.31889">55°19'08"W</geoCoordinate>
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, 26 September 2007, JLO Birindelli, P Hollanda-Carvalho. LBP 19552, 2, 79.1−87.1 mm SL, municipality of
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<normalizedToken id="827907043955DF2FF24CA953E3AD022A" originalValue="Itaúba">Itauba</normalizedToken>
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,
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<geoCoordinate id="8B8578CF54187B5B3BBCB95C918533F5" direction="south" orientation="latitude" precision="15" value="-11.0622225">11°03'44"S</geoCoordinate>
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,
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<geoCoordinate id="A1F5FBB6EF0554001577840C59F28180" direction="west" orientation="longitude" precision="15" value="-55.31889">55°19'08"W</geoCoordinate>
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, 26 September 2007, JLO Birindelli, P Hollanda-Carvalho. MZUSP 95851, 1, 60.9 mm SL, collected with holotype. MZUSP 95912, 54, 27.1−86.5 mm SL, municipality of
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<normalizedToken id="DCF246BE589D0E796835FD302831BA61" originalValue="Itaúba">Itauba</normalizedToken>
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,
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<geoCoordinate id="4591411B8277BFFED4D6BBA256D4DDCC" direction="south" orientation="latitude" precision="15" value="-11.0622225">11°03'44"S</geoCoordinate>
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,
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<geoCoordinate id="3543BD81F35333698B91E8C6A7C7D902" direction="west" orientation="longitude" precision="15" value="-55.31889">55°19'08"W</geoCoordinate>
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, 26 September 2007, JLO Birindelli, P Hollanda-Carvalho. MZUSP 96157, 34, 29.5−85.8 mm SL, municipality of
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<normalizedToken id="5CB1CB2395DA287A3A441CE5C313F79F" originalValue="Paranaíta">Paranaita</normalizedToken>
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,
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<geoCoordinate id="1F50684F26C53B4B447EBCD58E042627" direction="south" orientation="latitude" precision="15" value="-9.449445">09°26'58"S</geoCoordinate>
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,
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<geoCoordinate id="BAB16A81BA87F0DA3522F45A468474C0" direction="west" orientation="longitude" precision="15" value="-56.488613">56°29'19"W</geoCoordinate>
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, 28 September 2007, LMS Souza, AL Netto-Ferreira.
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</paragraph>
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</subSubSection>
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<subSubSection id="76A8D6F18B60EB2063709F11921CB7A8" pageId="2" pageNumber="23" type="diagnosis">
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<paragraph id="CF6A83784A673D7C402A9FAF08977F00" pageId="2" pageNumber="23">Diagnosis.</paragraph>
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<paragraph id="1798FFB3A2E41340B8C7F931D6E03808" pageId="2" pageNumber="23">
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<taxonomicName id="27D3537BDFA89F360F0E3AA041D71F51" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
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differs from all congeners except
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<taxonomicName id="B633722817588E26663E39F77F4553D8" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus reus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="reus">Pseudancistrus reus</taxonomicName>
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by having caudal and dorsal fins with dark bars (vs. with white spots in caudal and dorsal fins). Also, the new species differs from all
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<taxonomicName id="6874441B29833C790AA06447AB6D0513" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="genus">Pseudancistrus</taxonomicName>
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except
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<taxonomicName id="E28D0837D40C9C4EF0F9070BFEE8A703" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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by having a dark brown body with whitish spots that fade along the posterior portion of the dorsal fin and forming mottled pattern (vs. either dark brown with conspicuous rounded spots not covering more than one plate in
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<taxonomicName id="F4753CE1471F62015A61618B1F1D065D" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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,
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<taxonomicName id="D512947009A0DF23A9CFD57F14CB633E" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus corantijniensis" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="corantijniensis">Pseudancistrus corantijniensis</taxonomicName>
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,
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<taxonomicName id="6631684045A5AD3BB35E32E83A502727" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus depressus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="depressus">Pseudancistrus depressus</taxonomicName>
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,
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<taxonomicName id="1A0DE813FFE4EF60E0DAB43B0EA352B9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
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, and
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<taxonomicName id="827A60D0AB650DA523F071E08EF4B3B8" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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or with dark brown bars in
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<taxonomicName id="BAA1F1FC2D119671017DE6E7A6A68B88" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus reus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="reus">Pseudancistrus reus</taxonomicName>
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). It further differs from
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<taxonomicName id="D24EB0E2E60E34D5BCEA65EB2C9F751B" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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and
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<taxonomicName id="A1D3786C9BF4EACAEA9C9D3124E59954" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus depressus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="depressus">Pseudancistrus depressus</taxonomicName>
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by having the snout with yellowish hypertrophied odontodes (vs. reddish-brown odontodes) (see Fig. 3 in
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<bibRefCitation id="AD84E4BC55D5FE71F07E88F93D9880DC" author="De Chambrier, S" journalOrPublisher="Zootaxa" pageId="11" pageNumber="32" pagination="45 - 58" title="Pseudancistruscorantijniensis, a new species from the Guyana Shield (Siluriformes: Loricariidae) with a molecular and morphological description of the Pseudancistrusbarbatus group." volume="1918" year="2008">De Chambrier and Montoya-Burgos 2008</bibRefCitation>
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for comparison). In addition,
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<taxonomicName id="14789E0B820252325734268413F33DE1" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
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is distinguished by having a shorter pectoral spine, 22−30% SL (vs. 29−34% in
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<taxonomicName id="790D1E7BEB51F95F8D50A48D10FB39EE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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, 31−33% in
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<taxonomicName id="8405931ED7EF8F20BAE82B2CAA3FF9E3" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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, and 30−34% in
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<taxonomicName id="3F8D14ACDE45A53849C3ED932C185785" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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); a shorter dorsal-fin base, 20−28% SL (vs. 28−29% in
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<taxonomicName id="E951F1FDFE72FFA2E9389DBC98E9D277" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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, 29−31% in
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<taxonomicName id="BBB0675A0111398CEC7BD2721FCD51D1" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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, and 28−31% in
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<taxonomicName id="7D889082F1D61C3F2DEECA9FD5A66226" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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); a greater internares width, 13−19% HL (vs. 10.5−12.9% in
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<taxonomicName id="FF9A94654CFC97027E986CB82779BF08" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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); head depth, 60−66% HL, greater than in
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<taxonomicName id="EE7B4991B68786F1E89FA172BD1A36F9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
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(56−57%) and in
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<taxonomicName id="A01ED252525EBDBF4BE4689DC33938CE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
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(41−53%) but smaller than in
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<taxonomicName id="C3EAEF891431F6771BAB4735D3B2998D" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
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(67−73%); and a greater adipose-anal distance (17−25% SL vs. 15−17% in
|
||
<taxonomicName id="1C7309349E3FA72E4457EDAFF34261BC" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
|
||
and 12−15% in
|
||
<taxonomicName id="A9B62BB085E0DEA2803D35725B82B11F" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
<caption id="EAF878A114F39CD6A28CD485084107F3" pageId="2" pageNumber="23">
|
||
<paragraph id="0BBA7967D48EAB2A5D15A37500B0F9AC" pageId="2" pageNumber="23">
|
||
Figure 1.
|
||
<taxonomicName id="D2F95523E323C50EF782752C420CE76B" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
, holotype, MZUSP 116322, male 88.4 mm SL, from rio Teles Pires (Amazon basin), municipality of
|
||
<normalizedToken id="6E9ACB1C87AADC55DFB0DA593C1CF731" originalValue="Itaúba">Itauba</normalizedToken>
|
||
, Mato Grosso State, Brazil.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="AFAB7DB9EBD5355701BEE5CF6F00D81F" lastPageId="4" lastPageNumber="25" pageId="2" pageNumber="23" type="description">
|
||
<paragraph id="AAEE8A98C1BB8C235747A96588B9E4A9" pageId="2" pageNumber="23">Description.</paragraph>
|
||
<paragraph id="45BFB4220E9CD8F48274B4F8FCBF935B" pageId="2" pageNumber="23">Morphometric data is presented in Table 1. In lateral view, dorsal profile convex from snout tip to dorsal-fin origin; straight, gradually descending from dorsal-fin origin to posterior insertion of adipose fin; straight, steeply ascending to insertion of caudal-fin; ventral profile flat from snout tip to anal-fin origin; shallowly concave from anal-fin insertion to lower caudal-fin spine; greatest body depth at dorsal-fin origin. In dorsal view, greatest body width across cleithral region; snout broadly elliptical; body progressively narrow from opercular region to caudal fin. Cross-section of body between pectoral and pelvic fins rounded dorsally and flattened ventrally; cross-section of caudal peduncle ellipsoid.</paragraph>
|
||
<paragraph id="48B7B1D0814AA282D29C937E7AF03427" pageId="2" pageNumber="23">Body almost entirely covered with plates except on ventral portions of head, abdomen, and dorsal-fin base. Five lateral rows of dermal plates, dorsal plates 21−22, lateral mid-dorsal plates 21−22, lateral median plates 22−23, lateral mid-ventral plates 21−22, lateral ventral plates 19−20. Three predorsal plates; eight plates below dorsal-fin base; four plates between dorsal fin and adipose fin; five rows of plates on caudal peduncle. Dorsal spinelet present.</paragraph>
|
||
<caption id="EA0C8B4457C76D659BAEDF906C7F9696" pageId="2" pageNumber="23">
|
||
<paragraph id="0B2EF5C125FBB64B6F780E6AD1A3589A" pageId="2" pageNumber="23">
|
||
Table 1. Morphometric data for
|
||
<taxonomicName id="534EFB425E27005EEE88CF4789D5A89D" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
and
|
||
<taxonomicName id="82ECD2933EA149D3283B2A8700133BF2" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
. SD = standard deviation.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="06CB1ADD7B4298357EB8990F38AEF15D" pageId="2" pageNumber="23">
|
||
<table id="761F3EDBBDCD22A7FE177BFBE67E8621" pageId="2" pageNumber="23">
|
||
<tr id="A2EDB577E47F198BF566ED8342C8B5C9" pageId="2" pageNumber="23">
|
||
<th id="A538396821F7F0527A0EE7B0AB4608D5" colspan="4" pageId="2" pageNumber="23" rowspan="1">
|
||
<taxonomicName id="4BB46C44362394CF2D394EF4DD802528" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
n = 21
|
||
</th>
|
||
<th id="6B1631BEB98C6B1DC5EE86A2291DF746" colspan="4" pageId="2" pageNumber="23" rowspan="1">
|
||
<taxonomicName id="1418A6B43B891C7330D207904B965493" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="2" pageNumber="23" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
n = 21
|
||
</th>
|
||
</tr>
|
||
<tr id="CA0C5DDBD338916B2CE04A1BB943D88C" pageId="2" pageNumber="23">
|
||
<th id="BB898DC24C5CD9B3CAEDBCB94E360728" colspan="1" pageId="2" pageNumber="23" rowspan="1">Holotype</th>
|
||
<th id="24175A450A515BAF17CA18FC8E3B92B4" colspan="1" pageId="2" pageNumber="23" rowspan="1">Range</th>
|
||
<th id="C44CBC587A0DB8E29C5990CC5AA63D94" colspan="1" pageId="2" pageNumber="23" rowspan="1">Mean</th>
|
||
<th id="8D297068823982E518EC336F7F2F2756" colspan="1" pageId="2" pageNumber="23" rowspan="1">SD</th>
|
||
<th id="5A323D79A475E93A2C1990EE91A01176" colspan="1" pageId="2" pageNumber="23" rowspan="1">Holotype</th>
|
||
<th id="A23D740E4CA1C83692BF3BC549E793AE" colspan="1" pageId="2" pageNumber="23" rowspan="1">Range</th>
|
||
<th id="33EC41EFB30F8600B64265F457AD4CE1" colspan="1" pageId="2" pageNumber="23" rowspan="1">Mean</th>
|
||
<th id="52EAB7B9F6AC6AA07DF5165CFA585D96" colspan="1" pageId="2" pageNumber="23" rowspan="1">SD</th>
|
||
</tr>
|
||
<tr id="CACC9D48541E602C98C2B372E07FB906" pageId="2" pageNumber="23">
|
||
<td id="CCB071F59ED447F7B3FDE04413D719C2" colspan="1" pageId="2" pageNumber="23" rowspan="1">SL</td>
|
||
</tr>
|
||
<tr id="AC8E35A8611051E85470E8D5F696A6EB" pageId="2" pageNumber="23">
|
||
<td id="D33DD7B847D802D846953ACE974096FB" colspan="9" pageId="2" pageNumber="23" rowspan="1">Percentage of SL</td>
|
||
</tr>
|
||
<tr id="7A2668AABFEDD707DB10A77DDFF15D27" pageId="2" pageNumber="23">
|
||
<td id="05B96BB9E8A5ADAA644F6C2E661B2E54" colspan="9" pageId="2" pageNumber="23" rowspan="1">Percentage of HL</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="1386E53841C26A82AA643DD6DFB1EA9B" lastPageId="4" lastPageNumber="25" pageId="3" pageNumber="24">
|
||
<pageBreakToken id="911402C9B93E7A944A19D51182CDB86A" pageId="3" pageNumber="24" start="start">Body</pageBreakToken>
|
||
plates and cleithrum with minute odontodes. Odontodes slightly hypertrophied on pectoral-fin spines, gradually larger towards tips. Numerous yellowish hypertrophied odontodes along lateral margins of head including snout; odontodes small on tip of snout increasing gradually in length from anterolateral margin of snout to
|
||
<pageBreakToken id="70697A63FE0528EC342EB775D4C7DE2E" pageId="4" pageNumber="25" start="start">cheeks</pageBreakToken>
|
||
; longest odontodes on posteriormost portion of non-evertible cheek plates. Eye small (orbital diameter 13−20% HL), dorsolaterally positioned. Oral disk transversely ellipsoid. Lower lip not reaching transverse line between gill openings. Lower lip covered with numerous small papillae. Maxillary barbel developed. Mouth relatively large. Premaxillary teeth 33−70 per ramus; dentary teeth 39−74 per ramus. Teeth bifid, medial cusp large and rounded, lateral cusp minute and rounded. Jaws wide, dentaries forming oblique angle, premaxillaries almost co-linear.
|
||
</paragraph>
|
||
<paragraph id="CF48FD313CA9F077C1CE3B38ADC0A79A" pageId="4" pageNumber="25">Dorsal fin I,7, origin approximately at midpoint between pectoral- and pelvic-fin origins, last dorsal-fin ray reaching adipose fin when depressed. Pectoral fin I,6, spine tip slightly curved inward, covered with enlarged odontodes distally; depressed tip reaching one-third length of pelvic-fin spine. Pelvic fin I,5, spine tip curved inward, almost reaching anal-fin origin when depressed. Anal fin I,5, spine tip straight, reaching sixth plate posterior to its origin. Caudal fin I,7-7I, distal margin concave, inferior lobe longer than superior. Adipose fin with straight spine, preceded by single median preadipose plate.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A61E5B40AB0537F2133F022E75A06381" pageId="4" pageNumber="25" type="color in alcohol">
|
||
<paragraph id="53AA350887D824EAADBB6913DF8BC73D" pageId="4" pageNumber="25">Color in alcohol.</paragraph>
|
||
<paragraph id="9A5357C0735172D38D82A832A8C844B2" pageId="4" pageNumber="25">Ground color dark brown on back and sides of body, and lighter brown ventrally. Anterior portion of head to posterior margin of orbits with many small, crowded, white spots; spots getting abruptly larger on posterior portion of head, continuing on body, fading along posterior portion of dorsal fin and forming mottled pattern. Dorsal-fin spine rays and membranes with 6−7 dark bars. Pectoral, pelvic, anal with 4−5 dark bars and caudal-fin with four dark bars. Hypertrophied odontodes along head margin yellowish.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="E432218F45927B322127A25A201C1FE1" pageId="4" pageNumber="25" type="sexual dimorphism">
|
||
<paragraph id="E2DA8A8AC824DBDAE3019F277A9A5110" pageId="4" pageNumber="25">Sexual dimorphism.</paragraph>
|
||
<paragraph id="DFC3AF8BF75F683E85E36DA53AE58084" pageId="4" pageNumber="25">
|
||
Males possess a papilla posterior to urogenital opening, an attribute absent in females. Both sexes in
|
||
<taxonomicName id="5279FBD6B0CB52D7E9F5AC402FE9A8D4" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="4" pageNumber="25" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
exhibit highly hypertrophied odontodes along snout margin, as well as in other species of
|
||
<taxonomicName id="F0E7B3A09F85ED7FB76B2FB6426D3042" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="4" pageNumber="25" phylum="Chordata" rank="genus">Pseudancistrus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="4F79CFFF68E5F1A810543E840313D68F" author="Armbruster, JW" journalOrPublisher="Zootaxa" pageId="10" pageNumber="31" pagination="1 - 15" title="Pseudancistrussidereus, a new species from southern Venezuela (Siluriformes: Loricariidae) with a redescription of Pseudancistrus." volume="628" year="2004 b">Armbruster 2004b</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D2582C5625B6488B8B15B7F457E8B6F1" pageId="4" pageNumber="25" type="etymology">
|
||
<paragraph id="72A67E11F9370F6C18DBF599B915C8B1" pageId="4" pageNumber="25">Etymology.</paragraph>
|
||
<paragraph id="F48954F793DE0EA49ECE506699EF4381" pageId="4" pageNumber="25">
|
||
The specific name
|
||
<normalizedToken id="AB4EACD61DA150ED53C1A0C27ED68228" originalValue="“kayabi”">"kayabi"</normalizedToken>
|
||
is a reference to the Kayabi indigenous people that inhabited the region of the rivers Arinos, dos Peixes and Teles Pires, in Mato Grosso State, Brazil. A noun in apposition.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="9B46627228783EADE5899900C6E64F38" pageId="4" pageNumber="25" type="distribution">
|
||
<paragraph id="7B73127A8F170D4AC3026FF2E1C972E5" pageId="4" pageNumber="25">Distribution.</paragraph>
|
||
<paragraph id="F9D9825E2BDF89CFD3AA6240AC763980" pageId="4" pageNumber="25">
|
||
<taxonomicName id="0C13F25C7EDF6571F7C08749A7049924" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="4" pageNumber="25" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
is known from the rio Teles Pires, rio
|
||
<normalizedToken id="916346ABAB369212A7BC74E03EC5846F" originalValue="Tapajós">Tapajos</normalizedToken>
|
||
basin, municipality of
|
||
<normalizedToken id="6C427DEDB695E4C12402B9872A1DD977" originalValue="Itaúba">Itauba</normalizedToken>
|
||
and
|
||
<normalizedToken id="FCC2607C7072EF7A2D5F75896FEDDB77" originalValue="Paranaíta">Paranaita</normalizedToken>
|
||
, Mato Grosso State, Brazil (Fig. 2a).
|
||
</paragraph>
|
||
<caption id="7DE0E6031AA168BF057F1881EA080713" pageId="4" pageNumber="25">
|
||
<paragraph id="DF9A7DAF375E86DFF767A58F061BB912" pageId="4" pageNumber="25">
|
||
Figure 2. Distribution maps. a
|
||
<taxonomicName id="BF37467B3ECF25BAB5736E725EDD5218" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="4" pageNumber="25" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
. Star shows holotype locality, rio Teles Pires,
|
||
<geoCoordinate id="1E142434A223DCC1AF7316E8F39728FD" direction="south" orientation="latitude" precision="15" value="-10.974999">10°58'30"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="29A1E603CE20777148CF11395AF2BF7D" direction="west" orientation="longitude" precision="15" value="-55.734165">55°44'03"W</geoCoordinate>
|
||
. Circle shows paratype locality b
|
||
<taxonomicName id="CBF73C4A912172DC9EA47E23F58C02D2" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="4" pageNumber="25" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
. Star shows holotype locality, rio Xingu,
|
||
<geoCoordinate id="1862FB364229B399EB25E6B07D2AE9A6" direction="south" orientation="latitude" precision="15" value="-3.651389">03°39'05"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="8E6DE1C83F273F9FC553F7224BAAAF94" direction="west" orientation="longitude" precision="15" value="-52.37833">52°22'42"W</geoCoordinate>
|
||
. Circles show paratypes localities.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |