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<document ID-DOI="10.1590/S1679-62252007000300002" ID-ISSN="1982-0224" ID-Zenodo-Dep="5418940" approvalRequired="2" approvalRequired_for_textStreams="2" checkinTime="1630370083524" checkinUser="carolina" docAuthor="Bertaco, Vinicius A. &amp; Garutti, Valdener" docDate="2007" docId="5D5987FEFFB3FFE7FC3FFCBC95E3F19C" docLanguage="en" docName="NeotropIchthyol.2007.1.pdf" docOrigin="Neotropical Ichthyology 5 (1)" docSource="http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S1679-62252007000300002&amp;lng=en&amp;tlng=en" docStyle="DocumentStyle:85A40B78B715C4497F837D9D78407CE5.4:NeotropIchthyol.2003-2013.journal_article" docStyleId="85A40B78B715C4497F837D9D78407CE5" docStyleName="NeotropIchthyol.2003-2013.journal_article" docStyleVersion="4" docTitle="Astyanax utiariti Bertaco &amp; Garutti 2007, new species" docType="treatment" docVersion="2" lastPageId="3" lastPageNumber="28" masterDocId="A160FF86FFB2FFE4FFE6FFD69605F025" masterDocTitle="New Astyanax from the upper rio Tapajós drainage, Central Brazil (Characiformes: Characidae)" masterLastPageNumber="30" masterPageNumber="25" pageId="1" pageNumber="26" updateTime="1630682182289" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>New Astyanax from the upper rio Tapajós drainage, Central Brazil (Characiformes: Characidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bertaco, Vinicius A.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Garutti, Valdener</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Neotropical Ichthyology</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2007</mods:date>
<mods:detail type="pubDate">
<mods:number>2007-09-30</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>5</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>25</mods:start>
<mods:end>30</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S1679-62252007000300002&amp;lng=en&amp;tlng=en</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.1590/S1679-62252007000300002</mods:identifier>
<mods:identifier type="ISSN">1982-0224</mods:identifier>
<mods:identifier type="Zenodo-Dep">5418940</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C" httpUri="http://treatment.plazi.org/id/5D5987FEFFB3FFE7FC3FFCBC95E3F19C" lastPageId="3" lastPageNumber="28" pageId="1" pageNumber="26">
<subSubSection box="[985,1319,874,898]" pageId="1" pageNumber="26" type="nomenclature">
<paragraph blockId="1.[985,1319,874,929]" box="[985,1319,874,898]" pageId="1" pageNumber="26">
<heading box="[985,1319,874,898]" centered="true" fontSize="10" level="2" pageId="1" pageNumber="26" reason="2">
<emphasis bold="true" box="[985,1319,874,898]" pageId="1" pageNumber="26">
<taxonomicName authority="Bertaco &amp; Garutti, 2007" authorityName="Bertaco &amp; Garutti" authorityYear="2007" box="[985,1173,874,898]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="1" pageNumber="26" phylum="Chordata" rank="species" species="utiariti" status="new species">
<emphasis bold="true" box="[985,1173,874,898]" italics="true" pageId="1" pageNumber="26">Astyanax utiariti</emphasis>
</taxonomicName>
,
<taxonomicNameLabel box="[1187,1319,874,897]" pageId="1" pageNumber="26" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[1085,1220,906,929]" pageId="1" pageNumber="26" type="description">
<paragraph blockId="1.[985,1319,874,929]" box="[1085,1220,906,929]" pageId="1" pageNumber="26">
<figureCitation box="[1085,1157,906,929]" captionStart="Fig" captionStartId="1.[151,190,705,728]" captionTargetBox="[151,1475,192,689]" captionTargetId="figure-571@1.[151,1475,192,689]" captionTargetPageId="1" captionText="Fig. 1. Astyanax utiariti, MCP 40040, holotype, male, 67.8 mm SL; rio Papagaio, tributary of rio Juruena, upper rio Tapajós drainage, Sapezal, Mato Grosso, Brazil." figureDoi="http://doi.org/10.5281/zenodo.5418942" httpUri="https://zenodo.org/record/5418942/files/figure.png" pageId="1" pageNumber="26">Figs. 1</figureCitation>
and
<figureCitation box="[1207,1220,906,929]" captionStart="Fig" captionStartId="2.[839,877,767,790]" captionTargetBox="[840,1483,192,737]" captionTargetId="figure-791@2.[840,1483,192,737]" captionTargetPageId="2" captionText="Fig. 2. Astyanax utiariti, MCP 40041, paratype, male, 64.5 mm SL, c&amp;s specimen. Scanning electron microscopy of left side upper and lower jaws." figureDoi="http://doi.org/10.5281/zenodo.5418944" httpUri="https://zenodo.org/record/5418944/files/figure.png" pageId="1" pageNumber="26">2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="26" type="materials_examined">
<paragraph blockId="1.[831,1474,1002,1121]" pageId="1" pageNumber="26">
<materialsCitation accessionNumber="MCP 40040" collectingDate="2004-07-13" collectingDateMax="2004-07-14" collectingDateMin="2004-07-13" collectionCode="MCP, ACSI" country="Brazil" county="Sapezal" latitude="-13.559722" location="rio Papagaio" longLatPrecision="21" longitude="-58.40861" municipality="upper rio Tapajos" pageId="1" pageNumber="26" specimenCount="1" stateProvince="Mato Grosso" typeStatus="holotype">
<emphasis bold="true" box="[831,939,1002,1025]" pageId="1" pageNumber="26">
<typeStatus box="[831,933,1002,1025]" pageId="1" pageNumber="26">Holotype</typeStatus>
.
</emphasis>
<accessionNumber box="[942,1069,1002,1025]" httpUri="http://www.ncbi.nlm.nih.gov/protein/MCP40040" pageId="1" pageNumber="26">
<collectionCode box="[942,997,1002,1025]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="1" pageNumber="26">MCP</collectionCode>
40040
</accessionNumber>
,
<quantity box="[1077,1167,1002,1025]" metricMagnitude="-2" metricUnit="m" metricValue="6.779999999999999" pageId="1" pageNumber="26" unit="mm" value="67.8">67.8 mm</quantity>
SL, male,
<location LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C:D02F6033FFB3FFE5FB1EFC3C9372F424" box="[1272,1399,1002,1025]" country="Brazil" county="Sapezal" latitude="-13.559722" longLatPrecision="21" longitude="-58.40861" municipality="upper rio Tapajos" name="rio Papagaio" pageId="1" pageNumber="26" stateProvince="Mato Grosso">rio Papagaio</location>
at
<location LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C:D02F6033FFB3FFE5FA74FC3C93C4F424" box="[1426,1473,1002,1025]" country="Brazil" county="Sapezal" latitude="-13.559722" longLatPrecision="21" longitude="-58.40861" municipality="upper rio Tapajos" name="Pubi" pageId="1" pageNumber="26" stateProvince="Mato Grosso">Pubi</location>
beach, tributary of
<location LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C:D02F6033FFB3FFE5FBF6FBDC9288F404" box="[1040,1165,1034,1057]" country="Brazil" county="Sapezal" latitude="-13.559722" longLatPrecision="21" longitude="-58.40861" municipality="upper rio Tapajos" name="rio Juruena" pageId="1" pageNumber="26" stateProvince="Mato Grosso">rio Juruena</location>
,
<collectingMunicipality box="[1176,1366,1034,1057]" pageId="1" pageNumber="26">upper rio Tapajós</collectingMunicipality>
drainage,
<collectingCounty box="[831,915,1066,1089]" pageId="1" pageNumber="26">Sapezal</collectingCounty>
,
<collectingRegion box="[924,1062,1066,1089]" country="Brazil" name="Mato Grosso" pageId="1" pageNumber="26">Mato Grosso</collectingRegion>
,
<collectingCountry box="[1071,1138,1066,1089]" name="Brazil" pageId="1" pageNumber="26">Brazil</collectingCountry>
,
<geoCoordinate box="[1146,1267,1066,1089]" degrees="13" direction="south" minutes="33" orientation="latitude" pageId="1" pageNumber="26" precision="15" seconds="35" value="-13.559722">13º33’35&quot;S</geoCoordinate>
<geoCoordinate box="[1272,1403,1066,1089]" degrees="58" direction="west" minutes="24" orientation="longitude" pageId="1" pageNumber="26" precision="15" seconds="31" value="-58.40861">58º24’31&quot;W</geoCoordinate>
,
<date pageId="1" pageNumber="26" value="2004-07-13" valueMax="2004-07-14" valueMin="2004-07-13">
<collectingDate pageId="1" pageNumber="26" value="2004-07-13" valueMax="2004-07-14" valueMin="2004-07-13">13-14 Jul 2004</collectingDate>
</date>
,
<collectionCode box="[930,990,1098,1121]" pageId="1" pageNumber="26">ACSI</collectionCode>
- Brazilian Transcontinental Expedition.
</materialsCitation>
</paragraph>
<paragraph blockId="1.[831,1475,1162,1345]" pageId="1" pageNumber="26">
<materialsCitation box="[831,1372,1162,1185]" collectionCode="MCP" pageId="1" pageNumber="26" specimenCode="ANSP 185226, 15, 57.8" specimenCount="1" typeStatus="paratype">
<emphasis bold="true" box="[831,945,1162,1185]" pageId="1" pageNumber="26">
<typeStatus box="[831,940,1162,1185]" pageId="1" pageNumber="26">Paratypes</typeStatus>
.
</emphasis>
<specimenCode box="[947,1093,1162,1185]" collectionCode="ANSP" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="1" pageNumber="26">ANSP 185226</specimenCode>
,
<specimenCode box="[1100,1127,1162,1185]" collectionCode="ANSP" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="1" pageNumber="26">15</specimenCode>
,
<specimenCode box="[1135,1179,1162,1185]" collectionCode="ANSP" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34784" lsid="urn:lsid:biocol.org:col:34784" name="Academy of Natural Sciences of Philadelphia" pageId="1" pageNumber="26">57.8</specimenCode>
-64.0 mm SL,
<collectionCode box="[1318,1372,1162,1185]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="1" pageNumber="26">
<accessionNumber box="[1318,1372,1162,1185]" httpUri="http://www.ncbi.nlm.nih.gov/protein/MCP40041" pageId="1" pageNumber="26">MCP</accessionNumber>
</collectionCode>
</materialsCitation>
<materialsCitation collectionCode="MNRJ" pageId="1" pageNumber="26" specimenCode="64" specimenCount="1" typeStatus="paratype">
40041,
<specimenCode box="[1448,1474,1162,1185]" collectionCode="MCP" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="1" pageNumber="26">64</specimenCode>
(3 c&amp;s),
<quantity box="[917,1060,1194,1217]" metricMagnitude="-2" metricUnit="m" metricValue="6.775" metricValueMax="7.93" metricValueMin="5.62" pageId="1" pageNumber="26" unit="mm" value="67.75" valueMax="79.3" valueMin="56.2">56.2-79.3 mm</quantity>
SL,
<collectionCode box="[1105,1175,1194,1217]" country="Brazil" httpUri="http://grbio.org/cool/zi1i-a0b5" name="Museu Nacional/Universidade Federal de Rio de Janeiro" pageId="1" pageNumber="26">MNRJ</collectionCode>
</materialsCitation>
<materialsCitation collectionCode="MZUSP" pageId="1" pageNumber="26" specimenCode="15, 60.1" specimenCount="1" typeStatus="paratype">
29859,
<specimenCode box="[1254,1282,1194,1217]" collectionCode="MNRJ" country="Brazil" httpUri="http://grbio.org/cool/zi1i-a0b5" name="Museu Nacional/Universidade Federal de Rio de Janeiro" pageId="1" pageNumber="26">15</specimenCode>
,
<specimenCode box="[1290,1335,1194,1217]" collectionCode="MNRJ" country="Brazil" httpUri="http://grbio.org/cool/zi1i-a0b5" name="Museu Nacional/Universidade Federal de Rio de Janeiro" pageId="1" pageNumber="26">60.1</specimenCode>
-67.0 mm SL, collected with the
<typeStatus box="[1013,1106,1226,1249]" pageId="1" pageNumber="26">holotype</typeStatus>
.
<collectionCode box="[1113,1200,1226,1249]" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="1" pageNumber="26">MZUSP</collectionCode>
</materialsCitation>
<materialsCitation collectingDate="1966-11" collectionCode="MZUSP" collectorName="K. Lenko &amp; P. Pereira" country="Brazil" county="upper rio Tapajos" latitude="-13.033334" location="rio Papagaio" longLatPrecision="1291" longitude="-58.266666" municipality="rio Juruena" pageId="1" pageNumber="26" specimenCode="6" specimenCount="1" stateProvince="Mato Grosso" typeStatus="paratype">
5177,
<specimenCode box="[1266,1281,1226,1249]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="1" pageNumber="26">6</specimenCode>
,
<quantity box="[1290,1433,1226,1249]" metricMagnitude="-2" metricUnit="m" metricValue="5.705" metricValueMax="6.69" metricValueMin="4.72" pageId="1" pageNumber="26" unit="mm" value="57.05" valueMax="66.9" valueMin="47.2">47.2-66.9 mm</quantity>
SL,
<location LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C:D02F6033FFB3FFE5FCD9FB3C95CCF524" box="[831,969,1258,1281]" country="Brazil" county="upper rio Tapajos" latitude="-13.033334" longLatPrecision="1291" longitude="-58.266666" municipality="rio Juruena" name="rio Papagaio" pageId="1" pageNumber="26" stateProvince="Mato Grosso">rio Papagaio</location>
above
<location LSID="urn:lsid:plazi:treatment:5D5987FEFFB3FFE7FC3FFCBC95E3F19C:D02F6033FFB3FFE5FBFAFB3C92A8F524" box="[1052,1197,1258,1281]" country="Brazil" county="upper rio Tapajos" latitude="-13.033334" longLatPrecision="1291" longitude="-58.266666" municipality="rio Juruena" name="Salto Utiariti" pageId="1" pageNumber="26" stateProvince="Mato Grosso">Salto Utiariti</location>
, tributary of
<collectingMunicipality box="[1344,1470,1258,1281]" pageId="1" pageNumber="26">rio Juruena</collectingMunicipality>
,
<collectingCounty box="[831,1027,1290,1313]" pageId="1" pageNumber="26">upper rio Tapajós</collectingCounty>
drainage,
<collectingRegion box="[1148,1294,1290,1313]" country="Brazil" name="Mato Grosso" pageId="1" pageNumber="26">Mato Grosso</collectingRegion>
,
<collectingCountry box="[1309,1378,1290,1313]" name="Brazil" pageId="1" pageNumber="26">Brazil</collectingCountry>
, approx.
<geoCoordinate box="[831,915,1322,1345]" degrees="13" direction="south" minutes="02" orientation="latitude" pageId="1" pageNumber="26" precision="925" value="-13.033334">13º02’S</geoCoordinate>
<geoCoordinate box="[919,1013,1322,1345]" degrees="58" direction="west" minutes="16" orientation="longitude" pageId="1" pageNumber="26" precision="925" value="-58.266666">58º16’W</geoCoordinate>
,
<date box="[1021,1126,1322,1345]" pageId="1" pageNumber="26" value="1966-11">
<collectingDate box="[1021,1126,1322,1345]" pageId="1" pageNumber="26" value="1966-11">Nov 1966</collectingDate>
</date>
,
<collectorName box="[1134,1231,1322,1345]" pageId="1" pageNumber="26">K. Lenko</collectorName>
&amp;
<collectorName box="[1261,1360,1322,1345]" pageId="1" pageNumber="26">P. Pereira</collectorName>
</materialsCitation>
.
</paragraph>
<paragraph blockId="1.[831,1474,1386,1441]" pageId="1" pageNumber="26">
<materialsCitation accessionNumber="MCP 40875" collectionCode="MCP" pageId="1" pageNumber="26" specimenCode="12" specimenCount="2">
<emphasis bold="true" box="[831,1031,1386,1409]" pageId="1" pageNumber="26">
<typeStatus box="[831,1027,1386,1409]" isOtherTypeStatus="true" pageId="1" pageNumber="26">Non-type material</typeStatus>
.
</emphasis>
<accessionNumber box="[1035,1159,1386,1409]" httpUri="http://www.ncbi.nlm.nih.gov/protein/MCP40875" pageId="1" pageNumber="26">
<collectionCode box="[1035,1090,1386,1409]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="1" pageNumber="26">MCP</collectionCode>
40875
</accessionNumber>
,
<specimenCode box="[1166,1193,1386,1409]" collectionCode="MCP" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="1" pageNumber="26">12</specimenCode>
,
<quantity box="[1201,1341,1386,1409]" metricMagnitude="-2" metricUnit="m" metricValue="6.65" metricValueMax="7.63" metricValueMin="5.67" pageId="1" pageNumber="26" unit="mm" value="66.5" valueMax="76.3" valueMin="56.7">56.7-76.3 mm</quantity>
SL, collected with the
<typeStatus box="[926,1024,1418,1441]" pageId="1" pageNumber="26">holotype</typeStatus>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="26" type="diagnosis">
<paragraph blockId="1.[831,1474,1482,1953]" pageId="1" pageNumber="26">
<emphasis bold="true" box="[831,944,1482,1505]" pageId="1" pageNumber="26">Diagnosis.</emphasis>
The horizontally elongate oval, black humeral spot, the lozenge shaped caudal-peduncle spot continued into middle caudal-fin rays, and two brown bars in the humeral region, distinguish
<taxonomicName authorityName="Bertaco &amp; Garutti" authorityYear="2007" box="[1046,1230,1578,1602]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="1" pageNumber="26" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[1046,1230,1578,1602]" italics="true" pageId="1" pageNumber="26">Astyanax utiariti</emphasis>
</taxonomicName>
from most congeners and include it in the
<taxonomicName box="[1052,1213,1610,1634]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="1" pageNumber="26" phylum="Chordata" rank="species" species="bimaculatus">
<emphasis box="[1052,1068,1610,1634]" italics="true" pageId="1" pageNumber="26">A</emphasis>
.
<emphasis box="[1081,1213,1610,1634]" italics="true" pageId="1" pageNumber="26">bimaculatus</emphasis>
</taxonomicName>
species group. The new species is distinguished from species of this group by the following combination of characters: a reticulate scale pattern, a black longitudinal stripe, a toothless maxilla, larger dentary teeth, teeth of the inner row of the premaxilla with five to seven cusps, body depth 33.3-39.9% of SL, predorsal distance 51.7-55.5% of SL, caudal peduncle depth 12.0-13.4% of SL, head length 23.9-26.4% of SL, orbital diameter 28.5- 34.3% of HL, interorbital width 32.7-38.4% of HL, 36-38 perforated scales along the lateral line, and 22-26 branched anal-fin rays (25-29 total).
</paragraph>
</subSubSection>
<subSubSection lastPageId="3" lastPageNumber="28" pageId="2" pageNumber="27" type="description">
<paragraph blockId="2.[158,802,194,1945]" pageId="2" pageNumber="27">
<emphasis bold="true" box="[158,299,194,217]" pageId="2" pageNumber="27">Description.</emphasis>
Morphometric data are summarized in
<tableCitation box="[716,795,194,217]" captionStart="Table 1" captionStartId="3.[151,213,195,218]" captionText="Table 1. Morphometric data of holotype (H, male) of Astyanax utiariti, and paratypes (MCP 40041) from rio Papagaio, tributary of rio Juruena, upper rio Tapajós drainage, Sapezal, Mato Grosso, Brazil. (N = 23 including the holotype; m, males; f, females)." pageId="2" pageNumber="27">Table 1</tableCitation>
. Body compressed and elongate; greatest body depth usually anterior to dorsal-fin origin. Dorsal head profile from upper lip to vertical through middle orbit convex, and from latter point to supraocciptal tip straight or slightly concave. Profile convex from supraocciptal tip to base of last dorsal-fin ray, and straight towards adipose-fin origin. Ventral head profile convex. Ventral body profile slightly convex to nearly straight from pectoral-fin origin to pelvic-fin origin, and straight to slightly concave towards anal-fin origin. Body profile along anal-fin base slanted posterodorsally. Caudal peduncle elongate, nearly straight to slightly concave along dorsal and ventral margins.
</paragraph>
<paragraph blockId="2.[158,802,194,1945]" pageId="2" pageNumber="27">Head small. Mouth terminal, lower jaw slightly longer than upper jaw. Maxilla extending posterior to vertical through anterior margin of orbit, slightly curved and aligned at angle of approximately 60 degrees to longitudinal body axis. Anterodorsal border of maxilla concave and posterodorsal border slightly convex. Anteroventral and posteroventral borders convex.</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.5418944" ID-Zenodo-Dep="5418944" httpUri="https://zenodo.org/record/5418944/files/figure.png" pageId="2" pageNumber="27" startId="2.[839,877,767,790]" targetBox="[840,1483,192,737]" targetPageId="2">
<paragraph blockId="2.[839,1481,767,854]" pageId="2" pageNumber="27">
<emphasis bold="true" box="[839,905,767,790]" pageId="2" pageNumber="27">Fig. 2.</emphasis>
<taxonomicName authority=", MCP" authorityName="MCP" box="[910,1149,767,791]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="2" pageNumber="27" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[910,1082,767,791]" italics="true" pageId="2" pageNumber="27">Astyanax utiariti</emphasis>
, MCP
</taxonomicName>
40041, paratype, male, 64.5 mm SL, c&amp;s specimen. Scanning electron microscopy of left side upper and lower jaws.
</paragraph>
</caption>
<paragraph blockId="2.[158,802,194,1945]" pageId="2" pageNumber="27">
Two tooth rows on premaxilla. Outer row with three or five, tricuspid or pentacuspid teeth, with central cusp longer. Inner row with five teeth, gradually decreasing in size from first to fourth tooth; last tooth smaller, with five to seven cusps, central cusp twice or three times longer and broader than other cusps. Maxilla without teeth. Only
<specimenCount pageId="2" pageNumber="27" type="generic">three specimens</specimenCount>
with one conical or tricuspid tooth (n = 107). Three to five anteriormost dentary teeth larger, with five to seven cusps, followed by one or two medium-sized teeth with five cusps, and six teeth with one to three cusps or conical; central cusp in all teeth two to three times longer and broader than other cusps. All cusp tips slightly curved towards inside of mouth (
<figureCitation box="[166,227,1218,1241]" captionStart="Fig" captionStartId="2.[839,877,767,790]" captionTargetBox="[840,1483,192,737]" captionTargetId="figure-791@2.[840,1483,192,737]" captionTargetPageId="2" captionText="Fig. 2. Astyanax utiariti, MCP 40041, paratype, male, 64.5 mm SL, c&amp;s specimen. Scanning electron microscopy of left side upper and lower jaws." figureDoi="http://doi.org/10.5281/zenodo.5418944" httpUri="https://zenodo.org/record/5418944/files/figure.png" pageId="2" pageNumber="27">Fig. 2</figureCitation>
).
</paragraph>
<paragraph blockId="2.[158,802,194,1945]" pageId="2" pageNumber="27">Scales cycloid, moderately large. Lateral line complete. Scales in longitudinal series 36-38 (36*, mean = 37.0, n = 23). Scale rows between dorsal-fin origin and lateral line 6-7 (7*, mean = 7, n = 23); scale rows between lateral line and pelvicfin origin 5-6 (5*, mean = 5, n = 23). Predorsal scales 11-13, arranged in regular series (11*, mean = 11.7, n = 21). Scale rows around caudal peduncle 14-18 (14*, usually 16, mean = 15.7, n = 23). Scale sheath along anal-fin base 9-12 (10*) scales in single series, extending to base of eleventh to thirteenth branched ray.</paragraph>
<paragraph blockId="2.[158,802,194,1945]" pageId="2" pageNumber="27">Dorsal-fin rays ii,9* (n = 23); first unbranched ray approximately one-half length of second ray. Dorsal-fin origin located posterior to middle of SL and posterior to vertical through pelvic-fin origin. Adipose-fin origin located approximately at vertical through insertion of base of five to seven last anal-fin rays.</paragraph>
<paragraph blockId="2.[158,802,194,1945]" lastBlockId="2.[839,1482,925,1364]" pageId="2" pageNumber="27">
Anal-fin rays iii-iv,22-25 (24*,
<specimenCount box="[513,653,1762,1785]" pageId="2" pageNumber="27" type="generic">one specimen</specimenCount>
with 26, mean = 23.6, n = 23). Anal-fin profile smoothly concave in females, nearly straight in males. Anal-fin origin posterior to vertical through base of last dorsal-fin ray in females, and anterior to vertical through base of last dorsal-fin ray in males. Anal-fin rays of males bearing one pair of small, elongate, retrorse bony hooks along posterolateral border of each segment of lepidotrichia, usually along last unbranched ray and eighth branched rays. Hooks usually located along posteriormost branch and distal half to two-thirds length of each ray.
</paragraph>
<paragraph blockId="2.[839,1482,925,1364]" pageId="2" pageNumber="27">
Pectoral-fin rays i,11-14 (11*, mean = 11.6, n = 23). Pectoral-fin tip reaching or surpassing pelvic-fin origin in males but not in females. Pelvic-fin rays i,7* (
<specimenCount box="[1255,1428,1117,1140]" pageId="2" pageNumber="27" type="generic">three specimens</specimenCount>
with i,6,i; n = 23). Pelvic-fin origin located anterior to vertical through dorsal-fin origin. Caudal-fin forked, with 19 principal rays. Dorsal procurrent rays 12 (n = 3). Ventral procurrent rays 10- 11 (n = 3).
</paragraph>
<paragraph blockId="2.[839,1482,925,1364]" pageId="2" pageNumber="27">Precaudal vertebrae 17; caudal vertebrae 17-18; total vertebrae 34-35. Supraneurals 5. Gill-rakers on dorsal limb of outer gill arch 7-8, and on ventral limb 12 (n = 3).</paragraph>
<paragraph blockId="2.[839,1482,1405,1940]" lastBlockId="3.[151,794,990,1237]" lastPageId="3" lastPageNumber="28" pageId="2" pageNumber="27">
<emphasis bold="true" box="[839,1024,1405,1428]" pageId="2" pageNumber="27">Color in alcohol.</emphasis>
Dorsal and dorsolateral portion of head and body dark brown. Dark chromatophores scattered on infraorbitals and opercle. Scales on lateral surface of body bordered with dark brown chromatophores forming reticulate pattern. A black humeral spot horizontally oval, located over second to sixth scales on horizontal row, and extending over two horizontal series of scales above lateral line. Two brown and diffuse vertical bars in humeral region; first located over humeral spot and extending over five or six horizontal series of scales, including lateral line. Second vertical bar, located on first series of scales above lateral line, between seventh to tenth series of scales and extending over two or three horizontal series of scales. A black stripe extending along midlateral body from humeral spot to middle caudal-fin rays, located over second series of scales above lateral line on anterior portion of body, and over lateral line scales on the caudal peduncle. In some specimens, the stripe extends from second vertical bar. Midlateral stripe wide, width becoming gradually narrower forward; maximum width on the caudal peduncle, including the series of lateral line scales and first series above; width of about a scale at the vertical through dorsal-fin tip, and 1/2 of scale near the second vertical bar. Stripe relatively darkest posteriorly and becoming more diffuse anteriorly. All fins with scattered dark chromatophores (
<figureCitation box="[159,217,1214,1237]" captionStart="Fig" captionStartId="1.[151,190,705,728]" captionTargetBox="[151,1475,192,689]" captionTargetId="figure-571@1.[151,1475,192,689]" captionTargetPageId="1" captionText="Fig. 1. Astyanax utiariti, MCP 40040, holotype, male, 67.8 mm SL; rio Papagaio, tributary of rio Juruena, upper rio Tapajós drainage, Sapezal, Mato Grosso, Brazil." figureDoi="http://doi.org/10.5281/zenodo.5418942" httpUri="https://zenodo.org/record/5418942/files/figure.png" pageId="3" pageNumber="28">Fig. 1</figureCitation>
).
</paragraph>
<caption pageId="3" pageNumber="28" startId="3.[151,213,195,218]">
<paragraph blockId="3.[151,794,194,346]" pageId="3" pageNumber="28">
<emphasis bold="true" box="[151,237,195,218]" pageId="3" pageNumber="28">Table 1.</emphasis>
Morphometric data of holotype (H, male) of
<taxonomicName class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="3" pageNumber="28" phylum="Chordata" rank="species" species="utiariti">
<emphasis italics="true" pageId="3" pageNumber="28">Astyanax utiariti</emphasis>
</taxonomicName>
, and paratypes (MCP 40041) from rio Papagaio, tributary of rio Juruena, upper rio Tapajós drainage, Sapezal, Mato Grosso, Brazil. (N = 23 including the holotype; m, males; f, females).
</paragraph>
</caption>
<paragraph pageId="3" pageNumber="28">
<table box="[163,780,392,929]" gridcols="6" gridrows="22" pageId="3" pageNumber="28">
<tr box="[163,780,392,411]" gridrow="0" pageId="3" pageNumber="28" rowspan-0="1">
<td box="[421,458,392,411]" gridcol="1" gridrow="0" pageId="3" pageNumber="28">H</td>
<td box="[500,521,392,411]" gridcol="2" gridrow="0" pageId="3" pageNumber="28">N</td>
<td box="[560,642,392,411]" gridcol="3" gridrow="0" pageId="3" pageNumber="28">Range</td>
<td box="[666,715,392,411]" gridcol="4" gridrow="0" pageId="3" pageNumber="28">Mean</td>
<td box="[743,780,392,411]" gridcol="5" gridrow="0" pageId="3" pageNumber="28">SD</td>
</tr>
<tr box="[163,780,418,437]" gridrow="1" pageId="3" pageNumber="28">
<td box="[163,383,418,437]" gridcol="0" gridrow="1" pageId="3" pageNumber="28">Standard length (mm)</td>
<td box="[421,458,418,437]" gridcol="1" gridrow="1" pageId="3" pageNumber="28">67.8</td>
<td box="[500,521,418,437]" gridcol="2" gridrow="1" pageId="3" pageNumber="28">23</td>
<td box="[560,642,418,437]" gridcol="3" gridrow="1" pageId="3" pageNumber="28">57.8-79.3</td>
<td box="[666,715,418,437]" gridcol="4" gridrow="1" pageId="3" pageNumber="28">-</td>
<td box="[743,780,418,437]" gridcol="5" gridrow="1" pageId="3" pageNumber="28">-</td>
</tr>
<tr box="[163,780,443,462]" gridrow="2" pageId="3" pageNumber="28" rowspan-4="1" rowspan-5="1">
<td box="[163,642,443,462]" colspan="4" colspanRight="3" gridcol="0" gridrow="2" pageId="3" pageNumber="28">Percents of Standard length</td>
</tr>
<tr box="[163,780,467,486]" gridrow="3" pageId="3" pageNumber="28">
<td box="[163,383,467,486]" gridcol="0" gridrow="3" pageId="3" pageNumber="28">Predorsal distance</td>
<td box="[421,458,467,486]" gridcol="1" gridrow="3" pageId="3" pageNumber="28">52.9</td>
<td box="[500,521,467,486]" gridcol="2" gridrow="3" pageId="3" pageNumber="28">23</td>
<td box="[560,642,467,486]" gridcol="3" gridrow="3" pageId="3" pageNumber="28">51.7-55.5</td>
<td box="[666,715,467,486]" gridcol="4" gridrow="3" pageId="3" pageNumber="28">53.6</td>
<td box="[743,780,467,486]" gridcol="5" gridrow="3" pageId="3" pageNumber="28">1.12</td>
</tr>
<tr box="[163,780,492,511]" gridrow="4" pageId="3" pageNumber="28">
<td box="[163,383,492,511]" gridcol="0" gridrow="4" pageId="3" pageNumber="28">Prepelvic distance</td>
<td box="[421,458,492,511]" gridcol="1" gridrow="4" pageId="3" pageNumber="28">45.0</td>
<td box="[500,521,492,511]" gridcol="2" gridrow="4" pageId="3" pageNumber="28">23</td>
<td box="[560,642,492,511]" gridcol="3" gridrow="4" pageId="3" pageNumber="28">45.0-49.6</td>
<td box="[666,715,492,511]" gridcol="4" gridrow="4" pageId="3" pageNumber="28">47.1</td>
<td box="[743,780,492,511]" gridcol="5" gridrow="4" pageId="3" pageNumber="28">1.24</td>
</tr>
<tr box="[163,780,517,536]" gridrow="5" pageId="3" pageNumber="28">
<td box="[163,383,517,536]" gridcol="0" gridrow="5" pageId="3" pageNumber="28">Prepectoral distance</td>
<td box="[421,458,517,536]" gridcol="1" gridrow="5" pageId="3" pageNumber="28">25.3</td>
<td box="[500,521,517,536]" gridcol="2" gridrow="5" pageId="3" pageNumber="28">23</td>
<td box="[560,642,517,536]" gridcol="3" gridrow="5" pageId="3" pageNumber="28">24.6-27.6</td>
<td box="[666,715,517,536]" gridcol="4" gridrow="5" pageId="3" pageNumber="28">26.1</td>
<td box="[743,780,517,536]" gridcol="5" gridrow="5" pageId="3" pageNumber="28">0.74</td>
</tr>
<tr box="[163,780,541,560]" gridrow="6" pageId="3" pageNumber="28">
<td box="[163,383,541,560]" gridcol="0" gridrow="6" pageId="3" pageNumber="28">Preanal distance</td>
<td box="[421,458,541,560]" gridcol="1" gridrow="6" pageId="3" pageNumber="28">64.1</td>
<td box="[500,521,541,560]" gridcol="2" gridrow="6" pageId="3" pageNumber="28">23</td>
<td box="[560,642,541,560]" gridcol="3" gridrow="6" pageId="3" pageNumber="28">62.9-69.5</td>
<td box="[666,715,541,560]" gridcol="4" gridrow="6" pageId="3" pageNumber="28">65.8</td>
<td box="[743,780,541,560]" gridcol="5" gridrow="6" pageId="3" pageNumber="28">2.17</td>
</tr>
<tr box="[163,780,566,585]" gridrow="7" pageId="3" pageNumber="28">
<td box="[163,383,566,585]" gridcol="0" gridrow="7" pageId="3" pageNumber="28">Depth at dorsal-fin origin</td>
<td box="[421,458,566,585]" gridcol="1" gridrow="7" pageId="3" pageNumber="28">34.9</td>
<td box="[500,521,566,585]" gridcol="2" gridrow="7" pageId="3" pageNumber="28">23</td>
<td box="[560,642,566,585]" gridcol="3" gridrow="7" pageId="3" pageNumber="28">33.3-39.9</td>
<td box="[666,715,566,585]" gridcol="4" gridrow="7" pageId="3" pageNumber="28">36.5</td>
<td box="[743,780,566,585]" gridcol="5" gridrow="7" pageId="3" pageNumber="28">1.67</td>
</tr>
<tr box="[163,780,590,609]" gridrow="8" pageId="3" pageNumber="28">
<td box="[163,383,590,609]" gridcol="0" gridrow="8" pageId="3" pageNumber="28">Caudal peduncle depth</td>
<td box="[421,458,590,609]" gridcol="1" gridrow="8" pageId="3" pageNumber="28">12.5</td>
<td box="[500,521,590,609]" gridcol="2" gridrow="8" pageId="3" pageNumber="28">23</td>
<td box="[560,642,590,609]" gridcol="3" gridrow="8" pageId="3" pageNumber="28">12.0-13.4</td>
<td box="[666,715,590,609]" gridcol="4" gridrow="8" pageId="3" pageNumber="28">12.4</td>
<td box="[743,780,590,609]" gridcol="5" gridrow="8" pageId="3" pageNumber="28">0.33</td>
</tr>
<tr box="[163,780,615,634]" gridrow="9" pageId="3" pageNumber="28">
<td box="[163,383,615,634]" gridcol="0" gridrow="9" pageId="3" pageNumber="28">Caudal peduncle length</td>
<td box="[421,458,615,634]" gridcol="1" gridrow="9" pageId="3" pageNumber="28">12.5</td>
<td box="[500,521,615,634]" gridcol="2" gridrow="9" pageId="3" pageNumber="28">23</td>
<td box="[560,642,615,634]" gridcol="3" gridrow="9" pageId="3" pageNumber="28">11.4-14.2</td>
<td box="[666,715,615,634]" gridcol="4" gridrow="9" pageId="3" pageNumber="28">12.8</td>
<td box="[743,780,615,634]" gridcol="5" gridrow="9" pageId="3" pageNumber="28">0.78</td>
</tr>
<tr box="[163,780,640,659]" gridrow="10" pageId="3" pageNumber="28">
<td box="[163,383,640,659]" gridcol="0" gridrow="10" pageId="3" pageNumber="28">Anal-fin base length</td>
<td box="[421,458,640,659]" gridcol="1" gridrow="10" pageId="3" pageNumber="28">29.0</td>
<td box="[500,521,640,659]" gridcol="2" gridrow="10" pageId="3" pageNumber="28">23</td>
<td box="[560,642,640,659]" gridcol="3" gridrow="10" pageId="3" pageNumber="28">25.9-30.8</td>
<td box="[666,715,640,659]" gridcol="4" gridrow="10" pageId="3" pageNumber="28">28.2</td>
<td box="[743,780,640,659]" gridcol="5" gridrow="10" pageId="3" pageNumber="28">1.30</td>
</tr>
<tr box="[163,780,664,683]" gridrow="11" pageId="3" pageNumber="28">
<td box="[163,383,664,683]" gridcol="0" gridrow="11" pageId="3" pageNumber="28">Dorsal-fin length</td>
<td box="[421,458,664,683]" gridcol="1" gridrow="11" pageId="3" pageNumber="28">26.8</td>
<td box="[500,521,664,683]" gridcol="2" gridrow="11" pageId="3" pageNumber="28">23</td>
<td box="[560,642,664,683]" gridcol="3" gridrow="11" pageId="3" pageNumber="28">24.6-28.5</td>
<td box="[666,715,664,683]" gridcol="4" gridrow="11" pageId="3" pageNumber="28">26.7</td>
<td box="[743,780,664,683]" gridcol="5" gridrow="11" pageId="3" pageNumber="28">1.18</td>
</tr>
<tr box="[163,780,689,708]" gridrow="12" pageId="3" pageNumber="28">
<td box="[163,383,689,708]" gridcol="0" gridrow="12" pageId="3" pageNumber="28">Pelvic-fin length (m)</td>
<td box="[421,458,689,708]" gridcol="1" gridrow="12" pageId="3" pageNumber="28">19.2</td>
<td box="[500,521,689,708]" gridcol="2" gridrow="12" pageId="3" pageNumber="28">12</td>
<td box="[560,642,689,708]" gridcol="3" gridrow="12" pageId="3" pageNumber="28">17.4-19.8</td>
<td box="[666,715,689,708]" gridcol="4" gridrow="12" pageId="3" pageNumber="28">18.9</td>
<td box="[743,780,689,708]" gridcol="5" gridrow="12" pageId="3" pageNumber="28">0.80</td>
</tr>
<tr box="[163,780,713,732]" gridrow="13" pageId="3" pageNumber="28">
<td box="[163,383,713,732]" gridcol="0" gridrow="13" pageId="3" pageNumber="28">Pelvic-fin length (f)</td>
<td box="[421,458,713,732]" gridcol="1" gridrow="13" pageId="3" pageNumber="28">-</td>
<td box="[500,521,713,732]" gridcol="2" gridrow="13" pageId="3" pageNumber="28">11</td>
<td box="[560,642,713,732]" gridcol="3" gridrow="13" pageId="3" pageNumber="28">15.2-17.4</td>
<td box="[666,715,713,732]" gridcol="4" gridrow="13" pageId="3" pageNumber="28">16.4</td>
<td box="[743,780,713,732]" gridcol="5" gridrow="13" pageId="3" pageNumber="28">0.68</td>
</tr>
<tr box="[163,780,738,757]" gridrow="14" pageId="3" pageNumber="28">
<td box="[163,383,738,757]" gridcol="0" gridrow="14" pageId="3" pageNumber="28">Pectoral-fin length (m)</td>
<td box="[421,458,738,757]" gridcol="1" gridrow="14" pageId="3" pageNumber="28">23.0</td>
<td box="[500,521,738,757]" gridcol="2" gridrow="14" pageId="3" pageNumber="28">12</td>
<td box="[560,642,738,757]" gridcol="3" gridrow="14" pageId="3" pageNumber="28">21.3-25.1</td>
<td box="[666,715,738,757]" gridcol="4" gridrow="14" pageId="3" pageNumber="28">23.0</td>
<td box="[743,780,738,757]" gridcol="5" gridrow="14" pageId="3" pageNumber="28">0.97</td>
</tr>
<tr box="[163,780,763,782]" gridrow="15" pageId="3" pageNumber="28">
<td box="[163,383,763,782]" gridcol="0" gridrow="15" pageId="3" pageNumber="28">Pectoral-fin length (f)</td>
<td box="[421,458,763,782]" gridcol="1" gridrow="15" pageId="3" pageNumber="28">-</td>
<td box="[500,521,763,782]" gridcol="2" gridrow="15" pageId="3" pageNumber="28">11</td>
<td box="[560,642,763,782]" gridcol="3" gridrow="15" pageId="3" pageNumber="28">20.1-23.0</td>
<td box="[666,715,763,782]" gridcol="4" gridrow="15" pageId="3" pageNumber="28">21.0</td>
<td box="[743,780,763,782]" gridcol="5" gridrow="15" pageId="3" pageNumber="28">0.78</td>
</tr>
<tr box="[163,780,787,806]" gridrow="16" pageId="3" pageNumber="28">
<td box="[163,383,787,806]" gridcol="0" gridrow="16" pageId="3" pageNumber="28">Head length</td>
<td box="[421,458,787,806]" gridcol="1" gridrow="16" pageId="3" pageNumber="28">25.8</td>
<td box="[500,521,787,806]" gridcol="2" gridrow="16" pageId="3" pageNumber="28">23</td>
<td box="[560,642,787,806]" gridcol="3" gridrow="16" pageId="3" pageNumber="28">23.9-26.4</td>
<td box="[666,715,787,806]" gridcol="4" gridrow="16" pageId="3" pageNumber="28">25.3</td>
<td box="[743,780,787,806]" gridcol="5" gridrow="16" pageId="3" pageNumber="28">0.78</td>
</tr>
<tr box="[163,780,812,831]" gridrow="17" pageId="3" pageNumber="28">
<td box="[163,780,812,831]" colspan="6" colspanRight="5" gridcol="0" gridrow="17" pageId="3" pageNumber="28">Percents of Head length</td>
</tr>
<tr box="[163,780,837,856]" gridrow="18" pageId="3" pageNumber="28">
<td box="[163,383,837,856]" gridcol="0" gridrow="18" pageId="3" pageNumber="28">Snout length</td>
<td box="[421,458,837,856]" gridcol="1" gridrow="18" pageId="3" pageNumber="28">21.7</td>
<td box="[500,521,837,856]" gridcol="2" gridrow="18" pageId="3" pageNumber="28">23</td>
<td box="[560,642,837,856]" gridcol="3" gridrow="18" pageId="3" pageNumber="28">19.8-23.6</td>
<td box="[666,715,837,856]" gridcol="4" gridrow="18" pageId="3" pageNumber="28">21.7</td>
<td box="[743,780,837,856]" gridcol="5" gridrow="18" pageId="3" pageNumber="28">1.06</td>
</tr>
<tr box="[163,780,861,880]" gridrow="19" pageId="3" pageNumber="28">
<td box="[163,383,861,880]" gridcol="0" gridrow="19" pageId="3" pageNumber="28">Upper jaw length</td>
<td box="[421,458,861,880]" gridcol="1" gridrow="19" pageId="3" pageNumber="28">38.2</td>
<td box="[500,521,861,880]" gridcol="2" gridrow="19" pageId="3" pageNumber="28">23</td>
<td box="[560,642,861,880]" gridcol="3" gridrow="19" pageId="3" pageNumber="28">38.2-43.4</td>
<td box="[666,715,861,880]" gridcol="4" gridrow="19" pageId="3" pageNumber="28">40.4</td>
<td box="[743,780,861,880]" gridcol="5" gridrow="19" pageId="3" pageNumber="28">1.54</td>
</tr>
<tr box="[163,780,886,905]" gridrow="20" pageId="3" pageNumber="28">
<td box="[163,383,886,905]" gridcol="0" gridrow="20" pageId="3" pageNumber="28">Orbital diameter</td>
<td box="[421,458,886,905]" gridcol="1" gridrow="20" pageId="3" pageNumber="28">28.9</td>
<td box="[500,521,886,905]" gridcol="2" gridrow="20" pageId="3" pageNumber="28">23</td>
<td box="[560,642,886,905]" gridcol="3" gridrow="20" pageId="3" pageNumber="28">28.5-34.3</td>
<td box="[666,715,886,905]" gridcol="4" gridrow="20" pageId="3" pageNumber="28">31.0</td>
<td box="[743,780,886,905]" gridcol="5" gridrow="20" pageId="3" pageNumber="28">1.44</td>
</tr>
<tr box="[163,780,910,929]" gridrow="21" pageId="3" pageNumber="28">
<td box="[163,383,910,929]" gridcol="0" gridrow="21" pageId="3" pageNumber="28">Interorbital width</td>
<td box="[421,458,910,929]" gridcol="1" gridrow="21" pageId="3" pageNumber="28">32.7</td>
<td box="[500,521,910,929]" gridcol="2" gridrow="21" pageId="3" pageNumber="28">23</td>
<td box="[560,642,910,929]" gridcol="3" gridrow="21" pageId="3" pageNumber="28">32.7-38.4</td>
<td box="[666,715,910,929]" gridcol="4" gridrow="21" pageId="3" pageNumber="28">35.1</td>
<td box="[743,780,910,929]" gridcol="5" gridrow="21" pageId="3" pageNumber="28">1.66</td>
</tr>
</table>
</paragraph>
<paragraph blockId="3.[151,794,1278,1589]" pageId="3" pageNumber="28">
<emphasis bold="true" box="[151,383,1278,1301]" pageId="3" pageNumber="28">Sexual dimorphism.</emphasis>
Males of
<taxonomicName box="[496,603,1278,1302]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="3" pageNumber="28" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[496,512,1278,1302]" italics="true" pageId="3" pageNumber="28">A</emphasis>
.
<emphasis box="[528,603,1278,1301]" italics="true" pageId="3" pageNumber="28">utiariti</emphasis>
</taxonomicName>
are easily recognized by the presence of bony hooks on the anal- and pelvicfin rays (see Description). All males examined possess bony hooks along these fins. Males and females also differ in proportional pectoral- and pelvic-fin lengths (
<tableCitation box="[601,679,1406,1429]" captionStart="Table 1" captionStartId="3.[151,213,195,218]" captionText="Table 1. Morphometric data of holotype (H, male) of Astyanax utiariti, and paratypes (MCP 40041) from rio Papagaio, tributary of rio Juruena, upper rio Tapajós drainage, Sapezal, Mato Grosso, Brazil. (N = 23 including the holotype; m, males; f, females)." pageId="3" pageNumber="28">Table 1</tableCitation>
) and analfin shape, which is concave in females and nearly straight in males. Females also attain larger body sizes than males (
<quantity metricMagnitude="-2" metricUnit="m" metricValue="7.455" metricValueMax="7.93" metricValueMin="6.9799999999999995" pageId="3" pageNumber="28" unit="mm" value="74.55" valueMax="79.3" valueMin="69.8">69.8- 79.3 mm</quantity>
SL, mean = 75.1, n = 11
<emphasis box="[497,519,1502,1525]" italics="true" pageId="3" pageNumber="28">vs</emphasis>
<quantity box="[524,670,1502,1525]" metricMagnitude="-2" metricUnit="m" metricValue="6.279999999999999" metricValueMax="6.779999999999999" metricValueMin="5.779999999999999" pageId="3" pageNumber="28" unit="mm" value="62.8" valueMax="67.8" valueMin="57.8">57.8-67.8 mm</quantity>
SL, mean = 64.6, n = 12, respectively). Males lack gill gland on first gill arch.
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="28" type="distribution">
<paragraph blockId="3.[151,793,1630,1717]" pageId="3" pageNumber="28">
<emphasis bold="true" box="[151,305,1630,1653]" pageId="3" pageNumber="28">Distribution.</emphasis>
<taxonomicName box="[316,509,1630,1654]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="3" pageNumber="28" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[316,509,1630,1654]" italics="true" pageId="3" pageNumber="28">Astyanax utiariti</emphasis>
</taxonomicName>
is known only from rio Papagaio, a tributary of the upper rio Juruena, upper rio Tapajós drainage,
<collectingRegion box="[343,484,1694,1717]" country="Brazil" name="Mato Grosso" pageId="3" pageNumber="28">Mato Grosso</collectingRegion>
,
<collectingCountry box="[493,562,1694,1717]" name="Brazil" pageId="3" pageNumber="28">Brazil</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="28" type="etymology">
<paragraph blockId="3.[151,794,1758,1941]" pageId="3" pageNumber="28">
<emphasis bold="true" box="[151,281,1758,1781]" pageId="3" pageNumber="28">Etymology.</emphasis>
The name,
<taxonomicName box="[412,487,1758,1781]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="3" pageNumber="28" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[412,487,1758,1781]" italics="true" pageId="3" pageNumber="28">utiariti</emphasis>
</taxonomicName>
, is in reference to the Salto Utiariti, an indigenous word that means in the Pareci nation’s language “place of clever people” (utia = clever; halíti = people). Pareci tribe is an indigenous group that lives in the region of the upper rio Tapajós drainage, at
<typeStatus box="[628,674,1886,1909]" pageId="3" pageNumber="28">type</typeStatus>
locality. A noun in apposition.
</paragraph>
<paragraph blockId="3.[831,1474,194,441]" pageId="3" pageNumber="28">
<emphasis bold="true" box="[831,1017,194,217]" pageId="3" pageNumber="28">Ecological notes.</emphasis>
At the type-locality the rio Papagaio is large and has several waterfalls, with crystalline water, segments with rapids, a well developed riparian vegetation, and a substrate of stones, rocks, and sand. The specimens of
<taxonomicName box="[1370,1474,290,314]" class="Actinopterygii" family="Characidae" genus="Astyanax" kingdom="Animalia" order="Characiformes" pageId="3" pageNumber="28" phylum="Chordata" rank="species" species="utiariti">
<emphasis box="[1370,1386,290,314]" italics="true" pageId="3" pageNumber="28">A</emphasis>
.
<emphasis box="[1399,1474,290,313]" italics="true" pageId="3" pageNumber="28">utiariti</emphasis>
</taxonomicName>
were collected with a seine and gill-nets along the left bank of the river in semilentic stretches. On the right bank of the rio Papagaio is located the “Área Indígena Utiariti,” a Brazilian natural reserve.
</paragraph>
</subSubSection>
</treatment>
</document>
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