<documentid="8AFD5251A4D30D05C08F4427375BD1C5"ID-CLB-Dataset="277677"ID-DOI="10.5281/zenodo.10138519"ID-GBIF-Dataset="852198b8-f2db-40d8-8de7-445902adb445"ID-Zenodo-Dep="10138519"IM.bibliography_approvedBy="juliana"IM.illustrations_approvedBy="juliana"IM.materialsCitations_approvedBy="juliana"IM.metadata_approvedBy="juliana"IM.tables_approvedBy="juliana"IM.taxonomicNames_approvedBy="juliana"IM.treatments_approvedBy="juliana"checkinTime="1699993973709"checkinUser="juliana"docAuthor="M Costa, Wilson J. E. & Cheffe, Morevy M."docDate="2001"docId="03C287E19203EC7DFD716AEEF8604FA1"docLanguage="en"docName="ComunMusCiencTecnolPUCRS.14.2.179-200.pdf.imf"docOrigin="Comun. Mus. Ciênc. Tecnol. PUCRS, Sér. Zool. 14 (2)"docTitle="Austrolebias nigrofasciatus M Costa & Cheffe 2001, sp. nov."docType="treatment"docVersion="10"lastPageNumber="190"masterDocId="FFFBFF99920BEC76FFDC6D77FFB2476D"masterDocTitle="THREE NEW ANNUAL FISHES OF THE GENUS Austrolebias FROM THE LAGUNA DOS PATOS SYSTEM, SOUTHERN BRAZIL, AND A REDESCRIPTION OF A. adloffi (AHL) (CYPRINODONTIFORMES: RIVULIDAE)"masterLastPageNumber="200"masterPageNumber="179"pageNumber="187"updateTime="1737641858440"updateUser="ExternalLinkService">
<mods:titleid="3DA49245D9C31C3DF3612931AB4156A9">THREE NEW ANNUAL FISHES OF THE GENUS Austrolebias FROM THE LAGUNA DOS PATOS SYSTEM, SOUTHERN BRAZIL, AND A REDESCRIPTION OF A. adloffi (AHL) (CYPRINODONTIFORMES: RIVULIDAE)</mods:title>
<mods:namePartid="73A5FD7108E970EBB9F95881BF7E7E25">M Costa, Wilson J. E.</mods:namePart>
<mods:affiliationid="FDDD1A299B1B365613B27BEB503F25AF">Laboratório de Ictiologia Geral e Aplicada, Departamento de Zoologia. Universidade Federal do Rio de Janeiro, Cidade Universitária, Caixa Postal 68049, 21944 - 970. Rio de Janeiro, RJ. Brasil.</mods:affiliation>
<mods:affiliationid="3BCC260F7646BD363B91A8D1EC8A49A3">Laboratório de Ictiologia, Museu de História Natural, Universidade Católica de Pelotas, Rua Félix da Cunha, 412, 96010 - 000. Pelotas. RS. Brasil.</mods:affiliation>
<taxonomicNameid="4C6B4D749203EC7EFD716AEEFAA940A0"ID-CoL="JWWF"authority="M Costa & Cheffe, 2001"authorityName="M Costa & Cheffe"authorityYear="2001"box="[685,1307,1945,1997]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="8"pageNumber="187"phylum="Chordata"rank="species"species="nigrofasciatus"status="sp. nov.">
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. Temporary pool in
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, praia de
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<emphasisid="B91FEAE59202EC7FFEF96C30FB22461A"bold="true"box="[293,1168,327,375]"pageId="9"pageNumber="188">Additional material (non type specimens</emphasis>
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.
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<locationDeviationid="9A662FD59202EC7FF8E96F58F86C4539"bearing="90.0"box="[1845,2014,559,596]"distance="10000.0"pageId="9"pageNumber="188">10 km E</locationDeviation>
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<locationDeviationid="9A662FD59202EC7FFE066EF1FD1E44C1"bearing="45.0"box="[474,684,901,940]"distance="43000.0"pageId="9"pageNumber="188">43 km NE</locationDeviation>
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<taxonomicNameid="4C6B4D749202EC7FFBDB69AEFB4F4261"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1031,1277,1239,1292]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="charrua">
<taxonomicNameid="4C6B4D749202EC7FFAC469AEF991426C"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1304,1571,1240,1288]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="minuano">
, and distinguished from all other species of the genus by possessing two apomorphic color patterns, consisting of body side of male bright gray with dark gray to black stripes (
<taxonomicNameid="4C6B4D749202EC7FFABA6B00F9D041F2"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1382,1634,1654,1695]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="charrua">
<taxonomicNameid="4C6B4D749202EC7FF95E6B00F82241CD"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1666,1936,1655,1696]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="minuano">
<taxonomicNameid="4C6B4D749202EC7FF9596A74F8C84041"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1669,1914,1795,1836]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="charrua">
<taxonomicNameid="4C6B4D749202EC7FFEC36A32FD934003"authorityName="M Costa & Cheffe"authorityYear="2001"box="[287,545,1861,1902]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="minuano">
<taxonomicNameid="4C6B4D749202EC7FF8756AFAFE634099"authorityName="M Costa & Cheffe"authorityYear="2001"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="charrua">
<taxonomicNameid="4C6B4D749202EC7FFD996ABAFCF44099"authorityName="M Costa & Cheffe"authorityYear="2001"box="[581,838,1997,2036]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="minuano">
<tableCitationid="C6E9034C9202EC7FF9F96AB8F97E409B"box="[1573,1740,1999,2038]"captionStart="Table 5"captionStartId="17.[297,412,1953,1987]"captionTargetBox="[297,1998,2132,2957]"captionTargetPageId="17"captionText="Table 5. Distribution of anal-fin ray counts in the Austrolebias adloffi species group. Modal number in bold."pageId="9"pageNumber="188">Table 5</tableCitation>
), light blue stripes parallel to rays on the basal half of unpaired fins of male (
. rounded to elongate white spots in the other species), and a black blotch anteriorly bordered by a narrow blue line, both on the posterior portion of dorsal and anal fin of male (
<taxonomicNameid="4C6B4D749202EC7FFB8D6410FAE24EE2"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1105,1360,2407,2447]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="charrua">
<taxonomicNameid="4C6B4D749202EC7FFBF86486FAF24D77"authorityName="M Costa & Cheffe"authorityYear="2001"box="[1060,1344,2545,2586]"family="Rivulidae"genus="Austrolebias"kingdom="Animalia"order="Cyprinodontiformes"pageId="9"pageNumber="188"phylum="Chordata"rank="species"species="minuano">
<tableCitationid="C6E9034C9202EC7FFAB167D6F9A94DA7"box="[1389,1563,2721,2762]"captionStart="Table 3"captionStartId="16.[225,340,337,372]"captionTargetBox="[221,1953,463,1874]"captionTargetPageId="16"captionText="Table 3. Morphometric data of Austrolebias nigrofasciatus sp. n. H: Holotype."pageId="9"pageNumber="188">Table 3</tableCitation>
SL. Dorsal profile convex between snout and dorsal-fin base end, approximately straight on caudal peduncle. Protuberance on interorbital region of adult specimens of both sexes, more prominent in male. Ventral profile convex from lower jaw to end of anal-fin base, nearly straight on caudal peduncle. Body deep, compressed, body width approximately
Tip of dorsal and anal fins rounded. Border of membrane of anterior portion of dorsal fin of male not distinctively indented. Anteromedian rays of anal fin of female lengthened, resulting in approximately triangular fin shape. Urogenital papilla of male not attached to anal fin. Caudal fin rounded. Pectoral fin elliptical. Posterior margin of pectoral fin reaching vertical through base of fifth anal-fin ray in male, and urogenital papilla in female. Tip of pelvic fin reaching between base of third and fourth anal-fin ray in male and between base of first and third anal-fin ray in female. Pelvic fins medially united along proximal half. Dorsal-fin origin in a vertical through base of first or second anal-fin ray in male, and slightly anterior to anal-fin origin, in vertical through urogenital papilla or anal-fin origin in female. Anal-fin origin of female in vertical between base of first and third dorsal-fin ray. Dorsal-fin rays:
<paragraphid="8BD436F79201EC7CFE976B00FA6C4E63"blockId="10.[233,1972,345,2799]"pageId="10"pageNumber="189">Scales large, cycloid. Body and head entirely scaled, except on ventral surface of head. Frontal squamation F-patterned. No transverse row of scales on anal-fin base. Pectoral-fin base naked. Longitudinal series of scales: 26-28. Transverse series of scales: 11 - 12. Scale rows around caudal peduncle: 16. Three to seven minute ctenii-like contact organs on each scale of lateral surface of ventral portion of body and opercular region of male. Often small papillate contact organs on distal portion of the first five anal-fin rays of male. No contact organs on dorsal fin and outer surface of pectoral and pelvic fins. Small papillate contact organs on inner surface of three dorsalmost rays of pectoral-fin of male. Supraorbital neuromasts: 16- 19.</paragraph>
<paragraphid="8BD436F79201EC7CFE956450FDD44D82"blockId="10.[233,1972,345,2799]"pageId="10"pageNumber="189">Basihyal slightly widened, its longest width about 65 -80% of its longitudinal length; basihyal cartilage long, about 55 % of total longitudinal length of basihyal, and with lateral projections. Six branchiostegal rays. Four to five teeth on second pharyngobranchial. Gill-rakers on first branchial arch: 4 + 10. Lateral process of sphenotic narrow, without anterior expansion. Dermosphenotic absent. Ventral process of postteinporal long. Total vertebrae: 27-30.</paragraph>
. Male. Side of body bright gray with iridescent light blue spots, with 6- 12 dark vertical stripes; anterior stripes narrower and black, gradually changing to wider and dark purplish brown posteriorly; posteriormost stripe usually darker than penultimate three or four stripes, corresponding to blotch present in juvenile and adult female; dark stripes usually narrower than light interspace, rarely as wide as light interspace or slightly wider. Opercular and preopereular regions blue. Black vertical suborbital stripe, and black oblique supraorbital stripe. Iris yellow; dark gray vertical bar crossing eye. Unpaired fins dark gray with short light blue stripes on basal portion of fins, parallel to fin rays; posterior portion of dorsal and anal fins with distinctive black blotch, anteriorly bordered by light blue line; distal half of dorsal fin usually with pink iridescence, and distal half of caudal and anal fin with blue iridescence. Pelvic fin bluish dark gray. Pectoral fin hyaline, with bluish black ventral edge.
</paragraph>
<paragraphid="8BD436F79200EC7DFEA169E6F9F44045"blockId="11.[283,2016,343,1842]"pageId="11"pageNumber="190">Female. Side of body pale brownish gray, with light brown spots, often vertically elongated, sometimes forming vertical stripes. No spots on anterocentral portion of body side. Venter pale golden. Usually two black spots vertically arranged on posterior portion of caudal peduncle, sometimes coalesced forming single 8-shaped blotch, rarely one spot or both absent. Opercular and preopereular region pale blue to pale yellowish green. Faint vertical, gray suborbital stripe. Iris light yellow; gray vertical bar crossing eye. Unpaired fins hyaline with small dark gray spots on distal portion and dark gray stripes parallel to rays on basal portion. Paired fins hyaline, sometimes gray stripe along ventral border of pectoral fin.</paragraph>
. Known from some localities along the inner coastal plains to lagoa Mirim, canal de São Gonçalo and tributaries, laguna dos Patos system, between Pelotas and Jaguarão, Rio Grande do Sul, southern Brazil (Fig. l).
