242 lines
29 KiB
XML
242 lines
29 KiB
XML
<document id="E50A7B1B4A7CA1C64C53CDC5EE9C44C0" 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="423C821A3F2E1BAEBAFD4CCE8C94FDF7" docLanguage="en" docName="ZooKeys 482: 21-34" docOrigin="ZooKeys 482" docSource="http://dx.doi.org/10.3897/zookeys.482.6909" docTitle="Pseudancistrus asurini Silva, Roxo & Oliveira, 2015, sp. n." docType="treatment" docUuid="02D58958-6DD0-441A-8755-96F8387F2C33" docUuidSource="ZooBank" docVersion="5" lastPageNumber="30" masterDocId="2A63FFC2C9143F34F77FFFC9FFDCFFD2" masterDocTitle="Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil" masterLastPageNumber="34" masterPageNumber="21" pageNumber="25" updateTime="1701314855629" updateUser="plazi">
|
||
<mods:mods id="7261E1D93DDEEAB964519F163448D730" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="F8F67C838CD5009D6C90CFBC644ABA0C">
|
||
<mods:title id="2E309245D97A063FB024761E496EAD75">Two new species of Pseudancistrus (Siluriformes, Loricariidae) from the Amazon basin, northern Brazil</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="CFF23168E0CDB3E9C4A4DC816F5A29C9" type="personal">
|
||
<mods:role id="5F9E2D5A1D01876A3D3591585B5A3E7E">
|
||
<mods:roleTerm id="7B1B6439219ECCF1E3523923BDB7349E">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="AF89C2BEC1731DA91A47FB3E69BD4567">Silva, Gabriel S. C.</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="A597CC794CA8F2291A536653C4D68AC3" type="personal">
|
||
<mods:role id="D3AD65CEFB6AD01380D5D44947508C96">
|
||
<mods:roleTerm id="765E3C11E7EA6B824B0DA8F39BC37318">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="6BCD6FB0D0CACE0FB14641D1E427F3BA">Roxo, Fabio F.</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="B303135F3B1C369F80811099AE0A834C" type="personal">
|
||
<mods:role id="BC5CAA977190EE4480E225702979355E">
|
||
<mods:roleTerm id="6C8510F64C78BFCF2F886100488FF61C">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="AFB61B40A4C518ED928EA1CB87C17914">Oliveira, Claudio</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="BF23D214D21B1CE8364F837341454CA8">text</mods:typeOfResource>
|
||
<mods:relatedItem id="C6CF5D9D9A9A1A6E7347B1D79849FF2C" type="host">
|
||
<mods:titleInfo id="6E3498C68910E6E9F413652E3AC527D4">
|
||
<mods:title id="E272C9BCB49C9B4F136C579473187308">ZooKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="64FF2CCAA2FF0F7E122D67AA44D186C3">
|
||
<mods:date id="0DF9D5D9151E3A7E55BC27349A40B0FE">2015</mods:date>
|
||
<mods:detail id="65A0EC1A3B7F4F4AD755C7E5DAB7D766" type="volume">
|
||
<mods:number id="B4956AAA06B506ECAD2633BA9B970CCF">482</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="6EE76034060C0A131E30A19A80958620" unit="page">
|
||
<mods:start id="EA0B1EDE8CE5D5790256A212C9CB65B6">21</mods:start>
|
||
<mods:end id="A241ED10A59FC5B2482073708086F976">34</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="B0088ECFAEEB303B5A076793ADE49503">
|
||
<mods:url id="B2A66ECE5EF090E9C55C491C88B226DD">http://dx.doi.org/10.3897/zookeys.482.6909</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="60E545674DABDC12F51CF8FD12230454">journal article</mods:classification>
|
||
<mods:identifier id="2584DB161654F6FE0B44F0732B402D98" type="DOI">http://dx.doi.org/10.3897/zookeys.482.6909</mods:identifier>
|
||
<mods:identifier id="A900EB3B95CA3192E376EEEAC7457858" type="Pensoft-Pub">1313-2970-482-21</mods:identifier>
|
||
<mods:identifier id="EEB73B2BCA485D3111FFDE74812DA4A7" type="ZooBank">0069EEE37654461AA817EDD23EA4470A</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="423C821A3F2E1BAEBAFD4CCE8C94FDF7" ID-GBIF-Taxon="152058257" LSID="urn:lsid:zoobank.org:act:02D58958-6DD0-441A-8755-96F8387F2C33" httpUri="http://treatment.plazi.org/id/423C821A3F2E1BAEBAFD4CCE8C94FDF7" lastPageId="9" lastPageNumber="30" pageId="4" pageNumber="25">
|
||
<subSubSection id="1B66422A0FE5639C2B18CB271CBC0BFE" pageId="4" pageNumber="25" type="multiple">
|
||
<paragraph id="98C74DA445252E9916A6B39A4341E72F" pageId="4" pageNumber="25">Taxon classification Animalia Siluriformes Loricariidae</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6F79049A4027CD6E083373691E591DB0" pageId="4" pageNumber="25" type="nomenclature">
|
||
<paragraph id="3115E2E511824D6F40A36E749864C37E" pageId="4" pageNumber="25">
|
||
<taxonomicName id="B1F4F3ABE11DB136672CF402BB36B713" ID-CoL="78CKP" LSID="http://zoobank.org/02D58958-6DD0-441A-8755-96F8387F2C33" 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>
|
||
<taxonomicNameLabel id="03BC7E418005B249E789CD9614EB88B2" pageId="4" pageNumber="25">sp. n.</taxonomicNameLabel>
|
||
Figures 3, 4, Table 1
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F2315702A9E9033B5BA2F058ABC79D70" pageId="5" pageNumber="26" type="reference_group">
|
||
<paragraph id="52D761CA329585A7A82E0BE33C282F34" pageId="5" pageNumber="26">
|
||
<taxonomicName id="5328D365B059DDCDFB3A88F6C992A397" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="5" pageNumber="26" phylum="Chordata" rank="genus">
|
||
<pageBreakToken id="0386BB571483F0F109F404DFED23D43C" pageId="5" pageNumber="26" start="start">Pseudancistrus</pageBreakToken>
|
||
</taxonomicName>
|
||
sp. L17:
|
||
<bibRefCitation id="C9B2AC94C2611048DAA429EEC120FEBD" author="Covain, R" journalOrPublisher="Cybium" pageId="11" pageNumber="32" pagination="229 - 246" title="Molecular evidence for the paraphyly of Pseudancistrussensu lato (Siluriformes, Loricariidae), with revalidation of several genera." volume="36" year="2012">Covain and Fisch-Muller 2012</bibRefCitation>
|
||
: 232−233 (Table 1), 235 (Fig. 2), 237 (Fig. 3), 242 (Fig. 4). -
|
||
<bibRefCitation id="4AA2912E3049AF00CDAB51CA0810D4A6" author="Silva, GSC" journalOrPublisher="ZooKeys" pageId="12" pageNumber="33" pagination="1 - 23" title="New species of the Pseudancistrusbarbatus group (Siluriformes, Loricariidae) with comments on its biogeography and dispersal routes." url="10.3897/zookeys.406.7011" volume="406" year="2014">Silva et al. 2014</bibRefCitation>
|
||
: 6 (Fig. 2), 14 (Fig. 6), 16 (Table 3), 17 (Fig. 7).
|
||
</paragraph>
|
||
<paragraph id="A592ED7A4D784A1B496EF25F34F47D7F" pageId="5" pageNumber="26">
|
||
<taxonomicName id="D457B3B7C25222DCEA38561D7757F446" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="5" pageNumber="26" phylum="Chordata" rank="genus">Pseudancistrus</taxonomicName>
|
||
sp. L67:
|
||
<bibRefCitation id="9BCA8F077B7514661B7AA30B140CA67B" author="Lujan, NK" journalOrPublisher="Molecular phylogenetics and evolution" pageId="11" pageNumber="32" pagination="269 - 288" title="Multilocus molecular phylogeny of the suckermouth armored catfishes (Siluriformes: Loricariidae) with a focus on subfamily Hypostominae." url="10.1016/j.ympev.2014.08.020" volume="82" year="2015">Lujan et al. 2015</bibRefCitation>
|
||
: 281 (Fig. 3).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="BB361CBFA03ECB4CC89F1AD0B5281398" pageId="5" pageNumber="26" type="holotype">
|
||
<paragraph id="033C425C8927F1FCBC653BAAE0FF6141" pageId="5" pageNumber="26">Holotype.</paragraph>
|
||
<paragraph id="40A9B64E7AADE106D9EE5E05AFD22DDB" pageId="5" pageNumber="26">
|
||
MZUSP 116323, male, 195.8 mm SL. Brazil:
|
||
<normalizedToken id="B4A34727DC8A1533AE10F76020761EA4" originalValue="Pará">Para</normalizedToken>
|
||
State: municipality of Altamira: rio Xingu (Amazon basin), Cachoeira do Espelho,
|
||
<geoCoordinate id="B8BACD3E664E6B3D4FBB95FC021B2492" direction="south" orientation="latitude" precision="15" value="-3.651389">03°39'05"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="53B0D157FA1EDE24DA04EFBAE83D7B35" direction="west" orientation="longitude" precision="15" value="-52.37833">52°22'42"W</geoCoordinate>
|
||
, 18 November 2011, OT Oyakawa, JLO Birindelli, C Moreira, A Akama, LMS Souza.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="B40E33E1915EFA8A33F58CD349F6A4E2" lastPageId="7" lastPageNumber="28" pageId="6" pageNumber="27" type="paratypes">
|
||
<paragraph id="084643E8F07E47109991D371448CD104" pageId="6" pageNumber="27">
|
||
<pageBreakToken id="97BFD101522687B45E719EEFCBD69181" pageId="6" pageNumber="27" start="start">Paratypes</pageBreakToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="B9EC8B04C7C9D6FF9C6A38296271D9B2" lastPageId="7" lastPageNumber="28" pageId="6" pageNumber="27">
|
||
All from Brazil:
|
||
<normalizedToken id="9208D3C25C57ACE32BDC0A4AD93AFF76" originalValue="Pará">Para</normalizedToken>
|
||
State: municipality of Altamira: Amazon basin. AUM 65640, 2, 79.1−82.9 mm SL, rio Xingu, Cachoeira da Mucucura,
|
||
<geoCoordinate id="AD665189A2578CC2571C7AB181378601" direction="south" orientation="latitude" precision="15" value="-3.4086113">03°24'31"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="F894925C57E5980A5C60702C6D5CF1A2" direction="west" orientation="longitude" precision="15" value="-51.744446">51°44'40"W</geoCoordinate>
|
||
, 09 November 2011, OT Oyakawa, JLO Birindelli, C Moreira, LMS
|
||
<pageBreakToken id="9E3E1AA4EEC0B9D34531D4EB658112CC" pageId="7" pageNumber="28" start="start">Souza</pageBreakToken>
|
||
. LBP 16551, 2, 75.6−101.4 mm SL, rio Xingu,
|
||
<geoCoordinate id="854089895DBB056488FE0AE28361C5C2" direction="south" orientation="latitude" precision="15" value="-3.2566667">03°15'24"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="B4184A006BA67B9DCA9387BBE608F965" direction="west" orientation="longitude" precision="15" value="-52.096386">52°05'47"W</geoCoordinate>
|
||
, 28 September 2012, C Oliveira, R Britzke, LMS Sousa. MZUSP 107174, 4, 45.9−123.4 mm SL, rio Xingu, Cachoeira de Mucura,
|
||
<geoCoordinate id="B980A8B5701071FE33EC25EC1B3F27E9" direction="south" orientation="latitude" precision="15" value="-3.4141667">03°24'51"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="855BF7458DBE7E675B09A36369B5B38B" direction="west" orientation="longitude" precision="15" value="-51.739723">51°44'23"W</geoCoordinate>
|
||
, ECIX team. MZUSP 107179, 2, 62.3−68.7 mm SL, rio Xingu, Cachoeira do Mucura,
|
||
<geoCoordinate id="6480F16D3A76AF86734FF28F01E0E28C" direction="south" orientation="latitude" precision="15" value="-3.4141667">03°24'51"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="30E73A5DA3A8202698EE2670B778C3DF" direction="west" orientation="longitude" precision="15" value="-51.739723">51°44'23"W</geoCoordinate>
|
||
, 07 July 2010, ECIX team. MZUSP 107435, 3, 74.6−105 mm SL, rio Xingu,
|
||
<geoCoordinate id="258B06CFBDFF3085027CD2075069E878" direction="south" orientation="latitude" precision="15" value="-3.1777778">03°10'40"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="AAFCD106A4E912CB0DC15815AE313E22" direction="west" orientation="longitude" precision="15" value="-51.616108">51°36'58"W</geoCoordinate>
|
||
, 26 September 2007, FCT Lima, AK Zeinad. MZUSP 111285, 2, 84.4−106.6 mm SL, rio Iriri (trib. rio Xingu) Cachoeira Grande,
|
||
<geoCoordinate id="B1A7338F2F1897905CBCE82956BE98F2" direction="south" orientation="latitude" precision="15" value="-3.843611">03°50'37"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="6ED547E4DCF3677377D7260C21B4B848" direction="west" orientation="longitude" precision="15" value="-52.73389">52°44'02"W</geoCoordinate>
|
||
, OT Oyakawa, JLO Birindelli, C Moreira, A Akama, LMS Souza. MZUSP 111441, 6, 49.5−152.3 mm SL, rio Xingu, Cachoeira da Mucucura,
|
||
<geoCoordinate id="915A25D785F816C8AA55B8790F2ED46A" direction="south" orientation="latitude" precision="15" value="-3.4086113">03°24'31"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="42F860DA6A19C05D0DEA3C2D8CF301AF" direction="west" orientation="longitude" precision="15" value="-51.744446">51°44'40"W</geoCoordinate>
|
||
, 09 November 2011, OT Oyakawa, JLO Birindelli, C Moreira, LMS Souza. MZUSP 111558, 1, 91.4 mm SL, collected with holotype.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="88AC157974BAE17DB41E675CFEE1D671" pageId="7" pageNumber="28" type="diagnosis">
|
||
<paragraph id="ED2730ACE3BC3DC210FFA639DA9433DD" pageId="7" pageNumber="28">Diagnosis.</paragraph>
|
||
<paragraph id="A0D9D2F4A48411391BF766544C79CA94" pageId="7" pageNumber="28">
|
||
The new species differs from all congeners by having the dorsal-and caudal-fin tips whitish (Fig. 4) (vs. entirely dark). It further differs from
|
||
<taxonomicName id="6647D55D453E72155951EA1555EA98C0" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus reus" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="reus">Pseudancistrus reus</taxonomicName>
|
||
and
|
||
<taxonomicName id="0BCAEDAFBB45FC3046451F39F8E5F6DC" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
by having conspicuous whitish spots on the body (vs. body mottled or with bars in
|
||
<taxonomicName id="5C0733839D3A4AED5A6B8645D9598DC9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus reus" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="reus">Pseudancistrus reus</taxonomicName>
|
||
and with whitish spots that fade along the body and can cover more than one plate in
|
||
<taxonomicName id="EB45EAEE4BC147F0BA9207F896A8BFCE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus kayabi" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="kayabi">Pseudancistrus kayabi</taxonomicName>
|
||
). It is also distinguishable from
|
||
<taxonomicName id="20823CE9E98CB7EF79415CF2CFDBEF9F" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus depressus" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="depressus">Pseudancistrus depressus</taxonomicName>
|
||
and
|
||
<taxonomicName id="895233E8CB03B52BB01B9D8663B8C3F3" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
|
||
by having the snout with yellowish odontodes (vs. reddish-brown) (see Fig. 3 in
|
||
<bibRefCitation id="87513E21C4C9D6E31165D9C4162F4294" 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>
|
||
for comparison) and from
|
||
<taxonomicName id="E168D5709427AE83D0F5F5C6FC0682B6" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
|
||
,
|
||
<taxonomicName id="DB30F8C813C3DCA2464A42AEE678F91F" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus corantijniensis" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="corantijniensis">Pseudancistrus corantijniensis</taxonomicName>
|
||
, and
|
||
<taxonomicName id="54B49DE49D5D3ED6B80D35B84C8CC028" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
by having smaller whitish spots covering the body which increase gradually in size on the head (diameter 0.3−0.8 mm) and further on the body (diameter 0.7−1.3) (vs. spots abruptly increasing size between the head (diameter 1.1−1.3) and the body (diameter 2.6−2.3 mm). In addition, the new species is distinguished by a shorter predorsal length, 39−43% SL (vs. 43−46% in
|
||
<taxonomicName id="9BB38FBA1D28B9F6393F0A67E0BF3283" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
and 43−45% in
|
||
<taxonomicName id="A9F6C9B4F8D1AA33C316AD8F30AE9D57" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
|
||
), a smaller dorsal pectoral depth, 23−27% SL (vs. 27−31% in
|
||
<taxonomicName id="988095C0BFC4A2468439A91E24462B0A" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
); a smaller caudal peduncle depth, 9−11% SL (vs. 13−14% in
|
||
<taxonomicName id="A354BF06613C5697BF15871269460484" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
and 13% in
|
||
<taxonomicName id="64C8585FFF2A2354BE400AAFC212F7E9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
|
||
), a shorter barbel, 5−9% HL (vs. 10−11 in
|
||
<taxonomicName id="2F79D577B4F2DC7EA5F5DEE06ED933BE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus nigrescens" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="nigrescens">Pseudancistrus nigrescens</taxonomicName>
|
||
), and head depth, 57−66% SL, which is smaller than in
|
||
<taxonomicName id="ADC075A8E8F8D6E829A298CD281BE58C" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus zawadzkii" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="zawadzkii">Pseudancistrus zawadzkii</taxonomicName>
|
||
(67−73%) but greater than in
|
||
<taxonomicName id="2DD23F880003592F6C882DA7616ECAEE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus barbatus" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="barbatus">Pseudancistrus barbatus</taxonomicName>
|
||
(41−53%).
|
||
</paragraph>
|
||
<caption id="415E0C278975E39F94723AA9CBAE041E" pageId="7" pageNumber="28">
|
||
<paragraph id="059FFE53465E3848B15A8A0576C2E403" pageId="7" pageNumber="28">
|
||
Figure 3.
|
||
<taxonomicName id="AB15221E408B55A9F0D2D9EA23FDEACE" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
, holotype, MZUSP 116323, male 195.8 mm SL, from rio Xingu (Amazon basin), municipality of Altamira,
|
||
<normalizedToken id="FE33FBA5840D63373BC293CCAD078D11" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="2CCD3BE405ED72B39223FAC91235188A" pageId="7" pageNumber="28">
|
||
<paragraph id="3A1817D255307AB7FE0621A3E8C9511D" pageId="7" pageNumber="28">
|
||
Figure 4.
|
||
<taxonomicName id="474B381A2341283E6788B8B71E7D8A58" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="7" pageNumber="28" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
, paratype, LBP 16551, female 100.5 mm SL, from rio Xingu (Amazon basin), showing the dorsal and caudal fins tips whitish.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="FD7EED096C33B4C6768C46B53B1D9B63" lastPageId="8" lastPageNumber="29" pageId="7" pageNumber="28" type="description">
|
||
<paragraph id="7781B43ABD34FF1D84BCE636C88207F4" pageId="7" pageNumber="28">Description.</paragraph>
|
||
<paragraph id="CFA27BF2879CD2DE8173E2FCD67AFDE5" lastPageId="8" lastPageNumber="29" pageId="7" pageNumber="28">
|
||
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 dor
|
||
<pageBreakToken id="D2717F54E664365AB1B6827FA7E8FB10" pageId="8" pageNumber="29" start="start">sal-fin</pageBreakToken>
|
||
origin. In dorsal view, greatest body width across cleithral region; snout broadly elliptical; body decreasing in width 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="41268920ACEF49DD906CAFE2906DDCE2" pageId="8" pageNumber="29">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 18−22, lateral median plates 22−23, lateral mid-ventral plates 23−24, lateral ventral plates 18−19. Three predorsal plates; seven plates below dorsal-fin base; four plates between dorsal fin and adipose fin; five rows of plates on caudal peduncle. Dorsal spinelet present.</paragraph>
|
||
<paragraph id="D0E351E17449F145B3DD0BDFD1744E68" pageId="8" pageNumber="29">Body plates and cleithrum with minute odontodes. Odontodes gradually getting larger towards tips on pectoral-fin spines. Numerous whitish hypertrophied odontodes along lateral margins of head including snout; homogenous in length excepting in anterior portion of snout where odontodes are smaller; longest odontodes on posteriormost portion of non-evertible cheek plates. Eye small (orbital diameter 13−10% 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 poorly developed. Mouth relatively large. Premaxillary teeth 38−77 per ramus; dentary teeth 39−86 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="C3AEF0DFA94E69C24F63160C22C210EF" pageId="8" pageNumber="29">Dorsal fin II,7, origin approximately at midpoint between pectoral- and pelvic-fin origins, last dorsal-fin ray not reaching adipose-fin when depressed. Pectoral fin I,6, spine tip not curved inward; 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 fifth plate posterior to its origin. Caudal fin I,7-7I, distal margin concave, inferior lobe longer than superior. Adipose fin with almost straight spine, preceded by single median preadipose plate.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="F01ABCF1C0D2F898C6506C74AB69EC38" pageId="8" pageNumber="29" type="color in alcohol">
|
||
<paragraph id="4CAB3A1AF6AF2000050B5E7D703B533F" pageId="8" pageNumber="29">Color in alcohol.</paragraph>
|
||
<paragraph id="53EAF1003CD5071C955B502B7CB00A95" pageId="8" pageNumber="29">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 increasing slightly and gradually in size between snout to body. Dorsal plate series usually with two or three spots per plate in anterior portion of body and one spot on posterior portion of body. Mid-dorsal plates usually with two or three spots per plate. Lateral median plates with one or two spot per plate. Mid-ventral plates and ventral plates with two or three spots per plate. Dorsal-fin spine, rays and membranes with small round spots. Adipose fin with three small spots on spine and membrane. Pectoral, pelvic, anal and caudal fins with numerous and white spots of equal size. Dorsal and caudal fin tips whitish. Hypertrophied odontodes along head margin yellowish.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D62B4D353F4401F8A2EDAAAF4B385D56" pageId="8" pageNumber="29" type="color in life">
|
||
<paragraph id="0E0ADF50A1FC66A865055751320AADA4" pageId="8" pageNumber="29">Color in life.</paragraph>
|
||
<paragraph id="0C9C9FE5DDE61C72A26F01ABD9616DC7" pageId="8" pageNumber="29">Similar to pattern described for alcohol individuals, but with ground color dark greenish-brown, and with yellow spots on body and on tips of dorsal and caudal fins.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D255104161AB921444979E350033CED3" lastPageId="9" lastPageNumber="30" pageId="8" pageNumber="29" type="sexual dimorphism">
|
||
<paragraph id="A99D560CDB8008182EDFF2291454B1EE" pageId="8" pageNumber="29">Sexual dimorphism.</paragraph>
|
||
<paragraph id="981CAEAFD0EA5C3BCF2519BB6313A91B" lastPageId="9" lastPageNumber="30" pageId="8" pageNumber="29">
|
||
Males possess a papilla posterior to urogenital opening, an attribute absent in females. Both sexes in
|
||
<taxonomicName id="FBC1D796E974C2F01C7D49A3E74A14A9" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="9" pageNumber="30" phylum="Chordata" rank="species" species="asurini">
|
||
<pageBreakToken id="1B5E5B4AD90ECED62C85607369C4F213" pageId="9" pageNumber="30" start="start">Pseudancistrus</pageBreakToken>
|
||
asurini
|
||
</taxonomicName>
|
||
exhibit highly hypertrophied odontodes along snout margin, as well as in others species of
|
||
<taxonomicName id="4C57E6AD0FE414F61E397AECB734303D" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus" order="Siluriformes" pageId="9" pageNumber="30" phylum="Chordata" rank="genus">Pseudancistrus</taxonomicName>
|
||
(
|
||
<bibRefCitation id="0CE342D979480E460CEABF74E3A83CE7" 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="551EDEA3CD346394442BFA8C7B52AE3D" pageId="9" pageNumber="30" type="etymology">
|
||
<paragraph id="5156665474ABB0FE9B05419E8D72703D" pageId="9" pageNumber="30">Etymology.</paragraph>
|
||
<paragraph id="98DC8A88CD82C84664B39B904E339D74" pageId="9" pageNumber="30">
|
||
The specific name
|
||
<normalizedToken id="9FA6506815607006119EC361724BA887" originalValue="“asurini”">"asurini"</normalizedToken>
|
||
is a reference to the Asurini indigenous peoples who inhabit the right margin and median portions of rio Xingu, close to the municipality of Altamira in
|
||
<normalizedToken id="81A9112ABF5B1C518DED83B115BA5B4E" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil. A noun in apposition.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="6CF2D3EF4110A3176A1AA2458BD3548F" pageId="9" pageNumber="30" type="distribution">
|
||
<paragraph id="20888AB2C964F15FCEBB0ABF0AA9EA25" pageId="9" pageNumber="30">Distribution.</paragraph>
|
||
<paragraph id="27AA6E9D656B31BE5FE5C4A33AA7530B" pageId="9" pageNumber="30">
|
||
<taxonomicName id="23A91D2721050108430C2DFF8B4C1442" family="Loricariidae" genus="Pseudancistrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudancistrus asurini" order="Siluriformes" pageId="9" pageNumber="30" phylum="Chordata" rank="species" species="asurini">Pseudancistrus asurini</taxonomicName>
|
||
is known from the rio Xingu, municipality of Altamira, from the Xingu river basin,
|
||
<normalizedToken id="54CACBF740DFA3264C89F5C4F4A72493" originalValue="Pará">Para</normalizedToken>
|
||
State, Brazil (Fig. 2b).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |