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<document id="852D30D5F5C7E57506615B252EA71427" ID-DOI="10.5281/zenodo.10813684" ID-Zenodo-Dep="10813684" IM.bibliography_approvedBy="julia" IM.illustrations_approvedBy="julia" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="julia" IM.tables_approvedBy="julia" IM.taxonomicNames_approvedBy="julia" IM.treatments_approvedBy="julia" checkinTime="1710273159571" checkinUser="julia" docAuthor="Malabarba, Luiz R. &amp; Dyer, Brian S." docDate="2002" docId="03EF87D8FFC7FFF8D206FB0FF8C7F637" docLanguage="en" docName="Ichthyol.Explor.Fresh.13. 2002.237-272.pdf.pdf" docOrigin="Ichthyol. Explor. Freshwaters 13, No. 3" docTitle="Atherinopsidae" docType="key" docVersion="5" lastPageNumber="260" masterDocId="FFD6FFA0FFC5FFFBD67BFFDAFF8DFFC3" masterDocTitle="Description of three new species of the genus Odontesthes from the rio Tramandaí drainage, Brazil (Atheriniformes: Atherinopsidae)" masterLastPageNumber="272" masterPageNumber="257" pageNumber="259" updateTime="1710350166772" updateUser="ExternalLinkService">
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<mods:title id="EBAA2404B2B1AF23EFF22FBA67C80566">Description of three new species of the genus Odontesthes from the rio Tramandaí drainage, Brazil (Atheriniformes: Atherinopsidae)</mods:title>
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<mods:namePart id="F149730CB226FFA83D4644DB4C8E96B4">Malabarba, Luiz R.</mods:namePart>
<mods:affiliation id="FD557C6581981814B326B059C14357C6">Departamento de Zoologia, IB, UFRGS, Av. Bento Gonyalves, 9500 - bloco IV - Prédio 43435, CEP: 90540 - 000, Porto Alegre, RS, Brasil; and Museu de Ciencias e Tecnologia, PUCRS, Av. Ipiranga 6681, 90.619 - 900, Porto Alegre, RS, Brasil.</mods:affiliation>
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<mods:namePart id="95D45DFCE31BFC6A20CE0A566A250C75">Dyer, Brian S.</mods:namePart>
<mods:affiliation id="885FD0EE2C3ADFF62F1096152A529B54">Centro Ciencias y Ecologia Aplicada, Escueia Pesquerias y Cultivos, Universidad del Mar, Carmen 446, Placeres, Valparaiso, Chile.</mods:affiliation>
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<mods:title id="9EED923A7C3D324FEA2B1176E1079978">Ichthyol. Explor. Freshwaters</mods:title>
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<mods:date id="A4BAFF8BAA71873E1A5066C07D38D3DA">2002</mods:date>
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<treatment id="03EF87D8FFC7FFF8D206FB0FF8C7F637" ID-DOI="http://doi.org/10.5281/zenodo.10810909" ID-Zenodo-Dep="10810909" LSID="urn:lsid:plazi:treatment:03EF87D8FFC7FFF8D206FB0FF8C7F637" httpUri="http://treatment.plazi.org/id/03EF87D8FFC7FFF8D206FB0FF8C7F637" lastPageId="3" lastPageNumber="260" pageId="2" pageNumber="259">
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<paragraph id="8BF936CEFFC7FFF9D206FB0FF926FA95" blockId="2.[1112,1707,1237,1366]" pageId="2" pageNumber="259">
<emphasis id="B932EADCFFC7FFF9D206FB0FF926FA95" bold="true" pageId="2" pageNumber="259">
<keyLead id="30B795FBFFC7FFF9D206FB0FF926FA95" pageId="2" pageNumber="259">
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<heading id="D0B181A2FFC7FFF9D206FB0FF9F5FAE4" bold="true" centered="true" fontSize="9" level="1" pageId="2" pageNumber="259" reason="4">
Key of
<taxonomicName id="4C464D4DFFC7FFF9D286FB0FF98FFB38" ID-CoL="6VM" ID-ENA="461499" box="[1277,1538,1237,1275]" family="Atherinopsidae" kingdom="Animalia" order="Atheriniformes" pageId="2" pageNumber="259" phylum="Chordata" rank="family">Atherinopsidae</taxonomicName>
species from rio Tramandaf drainage
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(specimens larger than 140 mm SL)
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</emphasis>
</paragraph>
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<keyLead id="30B795FBFFC7FFF9D58DFA51F89DF979" pageId="2" pageNumber="259">
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<paragraph id="8BF936CEFFC7FFF9D58DFA51F89DF9F0" blockId="2.[1014,1809,1417,1722]" pageId="2" pageNumber="259">
1. -Rostralsensorysystem bearing 4 anterior and 2posterior fossae; 35-40 scales in lateral lineseries abovelateral band.
<emphasis id="B932EADCFFC7FFF9D207F9CAF89DF9F0" box="[1148,1808,1552,1587]" italics="true" pageId="2" pageNumber="259">
...
<taxonomicName id="4C464D4DFFC7FFF9D2C8F9CAF89DF9F0" box="[1203,1808,1552,1587]" pageId="2" pageNumber="259">Atherine ll a(Xenom elaniris)brasiliensis</taxonomicName>
</emphasis>
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<paragraph id="8BF936CEFFC7FFF9D22EF9E7F89DF979" blockId="2.[1014,1809,1417,1722]" pageId="2" pageNumber="259">-Rostral sensorysystem absent;48-60 scales inlateral lineseries above lateral band. ....................................................... 2</paragraph>
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<keyLead id="30B795FBFFC7FFF9D58FF929F89CF5CC" pageId="2" pageNumber="259">
<keyStep id="30B22E6BFFC7FFF9D58FF929F89CF5CC" pageId="2" pageNumber="259">
<paragraph id="8BF936CEFFC7FFF9D58FF929F89DF7B9" blockId="2.[1012,1810,1777,2575]" pageId="2" pageNumber="259">
2. - 9- 11 longitudinal rows of scales between seconddorsalandanalfins;53-60 scales in laterallineseriesabovelateral band; 29-35 predorsalscale rows; 18-20 scale rows aroundcaudalpeduncle; 9-10 longitudinal scalerowsbetween left and right lateral bandsabovepelvic fins; 30-38 lower gill rakers;40-48totalgillraker count.
<taxonomicName id="4C464D4DFFC7FFF9D3DFF78DF89DF7B9" baseAuthorityName="Valenciennes" baseAuthorityYear="1835" box="[1444,1808,2135,2170]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="2" pageNumber="259" phylum="Chordata" rank="species" species="bonariensis">
<emphasis id="B932EADCFFC7FFF9D3DFF78DF89DF7B9" box="[1444,1808,2135,2170]" italics="true" pageId="2" pageNumber="259">...................................Odontesthes bonariensis</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="8BF936CEFFC7FFF9D229F759F89CF5CC" blockId="2.[1012,1810,1777,2575]" pageId="2" pageNumber="259">
- 8longitudinalrows ofscales between seconddorsalandanalfins; 48-52 scales in the lateral line seriesabovethelateral band (47­ 53
<taxonomicName id="4C464D4DFFC7FFF9D2DEF6D0FAD4F6EC" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[1189,1369,2314,2351]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="2" pageNumber="259" phylum="Chordata" rank="species" species="piquava">
in
<emphasis id="B932EADCFFC7FFF9D2B8F6D0FAFEF6EC" box="[1219,1395,2314,2351]" italics="true" pageId="2" pageNumber="259">O.piquava);</emphasis>
</taxonomicName>
23-26 predorsal scale rows; 13-16scalerowsaround caudal peduncle; 6 -7longitudinalscalerowsbetween left and rightlateralbandsabove pelvic fins; 26-30 lowergill rakers;32-37total gill raker count. ....................................... 3
</paragraph>
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<keyLead id="30B795FBFFC6FFF8D24FFEDDF8DDFD7C" pageId="3" pageNumber="260">
<keyStep id="30B22E6BFFC6FFF8D24FFEDDF8DDFD7C" pageId="3" pageNumber="260">
<paragraph id="8BF936CEFFC6FFF8D24FFEDDF8CDFE1D" blockId="3.[1076,1874,263,703]" pageId="3" pageNumber="260">
3. - Three longitudinal series of scales in the infraorbital area; anterior row of teeth longer and more robust than posterior row of teeth.
<emphasis id="B932EADCFFC6FFF8D2E0FE61F8CDFE1D" box="[1179,1856,443,478]" italics="true" pageId="3" pageNumber="260">............................. Odontesthes argentinensis</emphasis>
</paragraph>
<paragraph id="8BF936CEFFC6FFF8D20BFE3DF8DDFD7C" blockId="3.[1076,1874,263,703]" pageId="3" pageNumber="260">
- Two longitudinal series of scales in the infraorbital area; anterior row of teeth shorter than posterior row of teeth (
<taxonomicName id="4C464D4DFFC6FFF8D01FFD99FB62FD50" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="perugiae">
<emphasis id="B932EADCFFC6FFF8D01FFD99FB62FD50" italics="true" pageId="3" pageNumber="260">Odontesthes perugiae</emphasis>
</taxonomicName>
species-group). ........................... 4
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<keyLead id="30B795FBFFC6FFF8D24FFD2DF8DCF9AD" pageId="3" pageNumber="260">
<keyStep id="30B22E6BFFC6FFF8D24FFD2DF8DCF9AD" pageId="3" pageNumber="260">
<paragraph id="8BF936CEFFC6FFF8D24FFD2DF8DFFB1F" blockId="3.[1076,1875,755,1646]" pageId="3" pageNumber="260">
4 -Ventralheadprofileusually split into two straight sections,forming an angle at retroarticularjoint; mouthslightly upturned in lateralview,andpositioned above an horizontallinecrossing nearcenter of eye and above anhorizontallinecrossing near middle ofheaddepth(
<figureCitation id="137D2A4BFFC6FFF8D393FBD8F9DCFBEA" box="[1512,1617,1026,1065]" captionStart="Fig" captionStartId="6.[34,84,2549,2585]" captionText="Fig. 2. Odontesthes piquava, holotype, MCP 26153,158 mm SL; Brazil, lagoa da Pinguela. a, left view; b, head, left view, c, head, dorsal view." pageId="3" pageNumber="260">Fig.2b</figureCitation>
);premaxilla not extendedanteriorlyinits medialmost portion; snout short,aslong as wide in dorsal view(
<figureCitation id="137D2A4BFFC6FFF8D360FB51FAF4FB73" box="[1307,1401,1163,1200]" captionStart="Fig" captionStartId="6.[34,84,2549,2585]" captionText="Fig. 2. Odontesthes piquava, holotype, MCP 26153,158 mm SL; Brazil, lagoa da Pinguela. a, left view; b, head, left view, c, head, dorsal view." pageId="3" pageNumber="260">Fig.2c</figureCitation>
).
<emphasis id="B932EADCFFC6FFF8D38CFB6DF8DFFB1F" box="[1527,1874,1207,1244]" italics="true" pageId="3" pageNumber="260">
.......................................
<taxonomicName id="4C464D4DFFC6FFF8D065FB6DF8DFFB1F" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[1566,1874,1207,1244]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="piquava">Odontesthes piquava</taxonomicName>
</emphasis>
</paragraph>
<paragraph id="8BF936CEFFC6FFF8D2EFFB3AF8DCF9AD" blockId="3.[1076,1875,755,1646]" pageId="3" pageNumber="260">
-Ventralheadprofilenearlystraight,or with slightconvexityatretroarticularjoint;mouth terminal,positioned in an horizontal line crossingnearcenterofeyes pupil and middle ofheaddepth(
<figureCitation id="137D2A4BFFC6FFF8D399FA4CF9DCFA7E" box="[1506,1617,1430,1469]" captionStart="Fig" captionStartId="8.[94,144,2543,2573]" captionTargetBox="[93,1748,244,2517]" captionText="Fig. 3. Odontesthes bicudo, holotype, MCP 26153, 158 mm SL; Brazil, lagoa Emboaba. a, left view; b, head, left view; c, head, dorsal view" figureDoi="http://doi.org/10.5281/zenodo.10813688" httpUri="https://zenodo.org/record/10813688/files/figure.png" pageId="3" pageNumber="260">Figs. 3b</figureCitation>
, 4b);premaxilla extendedanteriorlyinits medialmost por - tion; snoutelongated, pointedin dorsal view (
<figureCitation id="137D2A4BFFC6FFF8D2B8F9C4FAB4F987" box="[1219,1337,1566,1604]" captionStart="Fig" captionStartId="8.[94,144,2543,2573]" captionTargetBox="[93,1748,244,2517]" captionText="Fig. 3. Odontesthes bicudo, holotype, MCP 26153, 158 mm SL; Brazil, lagoa Emboaba. a, left view; b, head, left view; c, head, dorsal view" figureDoi="http://doi.org/10.5281/zenodo.10813688" httpUri="https://zenodo.org/record/10813688/files/figure.png" pageId="3" pageNumber="260">Figs.3 c</figureCitation>
,4c). ...................... 5
</paragraph>
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</keyLead>
<keyLead id="30B795FBFFC6FFF8D24EF97FF8C7F637" pageId="3" pageNumber="260">
<keyStep id="30B22E6BFFC6FFF8D24EF97FF8C7F637" pageId="3" pageNumber="260">
<paragraph id="8BF936CEFFC6FFF8D24EF97FF8DCF7F2" blockId="3.[1077,1875,1700,2548]" pageId="3" pageNumber="260">
5. -Widthofanteriorexposed dorsal border of thepremaxilla2- 4times wider than exposedportionofposterolateral branches of premaxilla(
<figureCitation id="137D2A4BFFC6FFF8D301F8F0FA65F892" box="[1402,1512,1834,1873]" captionStart="Fig" captionStartId="8.[94,144,2543,2573]" captionTargetBox="[93,1748,244,2517]" captionText="Fig. 3. Odontesthes bicudo, holotype, MCP 26153, 158 mm SL; Brazil, lagoa Emboaba. a, left view; b, head, left view; c, head, dorsal view" figureDoi="http://doi.org/10.5281/zenodo.10813688" httpUri="https://zenodo.org/record/10813688/files/figure.png" pageId="3" pageNumber="260">Fig.3c</figureCitation>
);snout length clearly largerthan interorbital width (snout length 1.2 -1.7 times interorbital width,mean = 1.4, n = 35);eyessmall, diameter 1.4-2.2 times snoutlength(mean =1.7,n= 59).
<emphasis id="B932EADCFFC6FFF8D2E1F7D4F8DCF7F2" box="[1178,1873,2062,2097]" italics="true" pageId="3" pageNumber="260">
..........................................
<taxonomicName id="4C464D4DFFC6FFF8D057F7D4F8DCF7F2" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[1580,1873,2062,2097]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="bicudo">Odontesthes bicudo</taxonomicName>
</emphasis>
</paragraph>
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<paragraph id="8BF936CEFFC6FFF8D69AF92CFE8AF6AE" blockId="3.[223,1021,1782,2413]" pageId="3" pageNumber="260">
Fig. 1. Map of the rio Tramandaf drainage, northern Rio Grande do Sul state, Brazil, with the known distribution of
<taxonomicName id="4C464D4DFFC6FFF8D709F89FFDECF8AB" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[370,609,1861,1896]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="ledae">
<emphasis id="B932EADCFFC6FFF8D709F89FFDECF8AB" box="[370,609,1861,1896]" italics="true" pageId="3" pageNumber="260">Odontesthes ledae</emphasis>
</taxonomicName>
(lagoons 1 -8),
<taxonomicName id="4C464D4DFFC6FFF8D544F89FFC4CF8AB" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[831,961,1861,1896]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="bicudo">
<emphasis id="B932EADCFFC6FFF8D544F89FFC4CF8AB" box="[831,961,1861,1896]" italics="true" pageId="3" pageNumber="260">O. bicudo</emphasis>
</taxonomicName>
(11, 13, 17, 19), and
<taxonomicName id="4C464D4DFFC6FFF8D7B2F8B5FDD1F852" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[457,604,1903,1937]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="piquava">
<emphasis id="B932EADCFFC6FFF8D7B2F8B5FDD1F852" box="[457,604,1903,1937]" italics="true" pageId="3" pageNumber="260">O. piquava</emphasis>
</taxonomicName>
(20-25, 28, 30). There are no collections available in lagoons 9, 10, 12,14-16, 18, 26, 27, 29.
<taxonomicName id="4C464D4DFFC6FFF8D729F864FDC5F823" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[338,584,1982,2016]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="ledae">
<emphasis id="B932EADCFFC6FFF8D729F864FDC5F823" box="[338,584,1982,2016]" italics="true" pageId="3" pageNumber="260">Odontesthes ledae</emphasis>
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is further known from two isolated lagoons, namely lagoa da Solidão and lagoa do Cipó, not in the map. Lagoons: 1, Cerquinha; 2, Rondinha; 3, Cidreira; 4, Fortaleza; 5, Manuel Nunes; 6, Gentil; 7, Custódias; 8, Armazem, 9, Tramandaí; 10, Emboabinha; 11, Emboaba; 12, Bigua; 13, Horacio; 14, Inacio; 15, Rincao; 16, Veados; 17, Caconde; 18, Traíras; 19, Lessa; 20, Caieira; 21, Peixoto; 22, Pinguela; 23, Palmital; 24, Malvas; 25, Passo; 26, Negra; 27, Ramalhete; 28, Quadras; 29, Boa Vista; 30, Itapeva.
</paragraph>
</caption>
<paragraph id="8BF936CEFFC6FFF8D2E8F7E3F8C7F637" blockId="3.[1077,1875,1700,2548]" pageId="3" pageNumber="260">
- Widthofanteriorexposed dorsal border of thepremaxillanearlytwotimes wider than theexposedportion of the posterolateral branchesofthepremaxilla (
<figureCitation id="137D2A4BFFC6FFF8D00FF765F951F724" box="[1652,1756,2239,2279]" captionStart="Fig" captionStartId="10.[31,80,2536,2574]" captionTargetBox="[152,1568,367,2363]" captionTargetPageId="10" captionText="Fig. 4. OdontesHies ledae, holotype, MCP 26151, 136.6 mm SL; Brazil, lagoa Fortaleza, a, left view; b, head, left view, c, head, dorsal view" figureDoi="http://doi.org/10.5281/zenodo.10813690" httpUri="https://zenodo.org/record/10813690/files/figure.png" pageId="3" pageNumber="260">Fig. 4c</figureCitation>
); snout lengthnearlyequalorlarger than interor - bitalwidth(snout length 0.9-1.3 times inter - orbitalwidth, mean = 1.1, n = 22);eye diameter 1.1 -1.6timessnoutlength (mean = 1.4, n = 56).
<emphasis id="B932EADCFFC6FFF8D2E2F60BF8C7F637" box="[1177,1866,2513,2548]" italics="true" pageId="3" pageNumber="260">
.................................... ........
<taxonomicName id="4C464D4DFFC6FFF8D038F60BF8C7F637" authorityName="Malabarba &amp; Dyer" authorityYear="2002" box="[1603,1866,2513,2548]" family="Atherinopsidae" genus="Odontesthes" kingdom="Animalia" order="Atheriniformes" pageId="3" pageNumber="260" phylum="Chordata" rank="species" species="ledae">Odontesthes ledae</taxonomicName>
</emphasis>
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