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<document id="606BC79E296BFC5360B8C430415B2EE2" ENCODING="UTF-8" ID-GBIF-Dataset="62e24e4f-0b34-4a7b-9e14-82b2f344d22b" ModsDocID="z01244p041" checkinTime="1247152242818" checkinUser="thomas" docAuthor="Wilson J. E. M. Costa &amp; Gilberto C. Brasil" docDate="2006" docId="55C69DD9DC66FF83814E46DAC089CF18" docLanguage="en" docName="2006_Costa_Brasil_gg1.xml" docOrigin="Zootaxa 1244" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:21A62C97-8BE0-4382-BE2F-D1B605AA6F19" docTitle="Simpsonichthys fasciatus Costa &amp; Brasil, 2006, new species" docType="treatment" docVersion="13" lastPageNumber="50" masterDocId="E3B1C1F5A20FD1F66A5849455150A0B8" masterDocTitle="Three new species of the seasonal killifish genus Simpsonichthys, subgenus Hypsolebias (Teleostei: Cyprinodontiformes: Rivulidae) from the rio Paracatu drainage, rio São Francisco basin, Brazil." masterLastPageNumber="55" masterPageNumber="41" pageNumber="46" updateTime="1701326700071" updateUser="ExternalLinkService">
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<mods:title id="C2866F67BB67F698DB6BCAF85D37DD51">Three new species of the seasonal killifish genus Simpsonichthys, subgenus Hypsolebias (Teleostei: Cyprinodontiformes: Rivulidae) from the rio Paracatu drainage, rio São Francisco basin, Brazil.</mods:title>
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<mods:namePart id="A8113BDE9C6D541C0313E09E151C4ECE">Wilson J. E. M. Costa</mods:namePart>
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<mods:namePart id="E3A021669618873302D2D6346DC07E7D">Gilberto C. Brasil</mods:namePart>
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<mods:typeOfResource id="A1E8324153CD2D093325D8EFECABD923">text</mods:typeOfResource>
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<mods:part id="B9755AA0BD7EF49EF567DCFEE04E0608">
<mods:date id="6B5737646430901F0708E56B1B999888">2006</mods:date>
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<mods:classification id="08734175455973A379A0F63428BD8336">journal article</mods:classification>
<mods:identifier id="28238CE8867ABF3C61CFB28292EB22B6" type="Plazi-Custom">z01244p041</mods:identifier>
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<treatment id="55C69DD9DC66FF83814E46DAC089CF18" ID-DOI="http://doi.org/10.5281/zenodo.6263539" ID-GBIF-Taxon="100123835" ID-Zenodo-Dep="6263539" LSID="urn:lsid:plazi:treatment:55C69DD9DC66FF83814E46DAC089CF18" httpUri="http://treatment.plazi.org/id/55C69DD9DC66FF83814E46DAC089CF18" lastPageNumber="50" pageNumber="46">
<subSubSection id="8183A38AD03303CDE0004C12FEF5FC52" type="nomenclature">
<paragraph id="2A84FBBE6448F33D502149992EE0A7B9" pageNumber="46">
<taxonomicName id="D5181167B5345210A2896284499A4FAE" ID-CoL="4XG4S" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="46" phylum="Chordata" rank="species" species="fasciatus">Simpsonichthys fasciatus</taxonomicName>
,
<taxonomicNameLabel id="EB793867308204809CD136C8979B89DA" rank="species">new species</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="125721B6B501E53556C6D01145BFAB78" type="description">
<paragraph id="0979E5317B3A27A32067B4C0074C5602" pageNumber="46">(Figs. 4-5)</paragraph>
</subSubSection>
<subSubSection id="215052015F3A474A195DF20A7DB6C941" type="nomenclature">
<paragraph id="8E9A76B2649C84D7E3022E3B5F2A1BC5" pageNumber="46">Material examined</paragraph>
<paragraph id="250991EA8DD0322B15E3142294DEBAB8" pageNumber="46">
<materialsCitation id="F25097DEA75411C758BA2B2EB22F0F11" ID-GBIF-Occurrence="1058480881" country="Brazil" stateProvince="Estado de Minas Gerais">
<typeStatus id="A19FFB08805279AE05D1BD59DD12ABE8">Holotype</typeStatus>
.
<collectionCode id="B38F1C2681F00F550C212DC5444E15DF" collectionName="UFRJ">UFRJ</collectionCode>
6339, male, 19.7 mm SL;
<collectingCountry id="D13626E289E75E498BE422DA0A5DBA93">Brazil</collectingCountry>
:
<collectingRegion id="69BCD292DDDEDA82EAB6E1EB6509E5D0">Estado de Minas Gerais</collectingRegion>
:
<normalizedToken id="41E5DCBC5FB24E4963C9A897CA23D222" originalValue="Unaí">Unai</normalizedToken>
, temporary pool about 2 km from the right bank of rio Preto, rio Paracatu drainage, rio
<normalizedToken id="EFB9DFAFAA5832208F4C5B31253A7E86" originalValue="São">Sao</normalizedToken>
Francisco basin, about
<geoCoordinate id="768D95BF63E56EF2791E8A7339512F5C" direction="south" orientation="latitude" value="-16.691666">16º4130”S</geoCoordinate>
<geoCoordinate id="AB54B4047BFB5E56F89417EA3753342A" direction="west" orientation="longitude" value="-46.5">46º3000”W</geoCoordinate>
, altitude about 550 m; G. C. Brasil,
<date id="4484EC532F8BC802444C11976BFBD1AC" day="15" month="04" value="2005-04-15" year="2005">15 April 2005</date>
.
</materialsCitation>
</paragraph>
<paragraph id="8C05435A70314F45A1DEE31522EFE8E9" country="Brasil" pageNumber="47">
<materialsCitation id="5D736299F7CE1471CECF04B3801DD4A0" ID-GBIF-Occurrence="1058480873" country="Brazil" stateProvince="Estado de Minas Gerais">
<typeStatus id="609A4A782B3A04AEDC13C05359AE1847">Paratypes</typeStatus>
.
<collectionCode id="F59F3652B506C4B23A2B8CAF8D3B1E51" collectionName="UFRJ">UFRJ</collectionCode>
6340, 4 males, 16.8-20.0 mm SL, 3 females, 15.7-16.3 mm SL
</materialsCitation>
;
<materialsCitation id="9A477EC5F44AA34E1792B522F9017A93" ID-GBIF-Occurrence="1058480874" country="Brazil" stateProvince="Estado de Minas Gerais">
<collectionCode id="1AC10105B9156D42B9A52FC0A5F78B86" collectionName="UFRJ">UFRJ</collectionCode>
6341, 2 males, 17.6-18.6 mm SL, 2 females, both 15.7 mm SL (c&amp;s)
</materialsCitation>
;
<materialsCitation id="11068B03695E256AC3B32666C45DC7D2" ID-GBIF-Occurrence="1058480871" country="Brazil" stateProvince="Estado de Minas Gerais">
all collected with
<typeStatus id="CBF43364AF9E12F01E3C816D9DE8D9F9">holotype</typeStatus>
.
<collectionCode id="8A6683F81A5401BD5824DCE2320F58B7" collectionName="UFRJ">UFRJ</collectionCode>
6372, 5 males, 16.4-19.4 mm SL, 2 females, 15.4-16.7 mm SL
</materialsCitation>
;
<materialsCitation id="6B1EB40BD65C5C03B6FB35A94118E026" ID-GBIF-Occurrence="1058480882" country="Brazil" stateProvince="Estado de Minas Gerais">
<collectionCode id="0928EA1AD479DC5C65103ADBBB673B27" collectionName="MCP">MCP</collectionCode>
39436, 3 males, 18.4-18.8 mm SL
</materialsCitation>
;
<materialsCitation id="981EF7550A01B1ACFD2E39BCE550A3BE" ID-GBIF-Occurrence="1058480872" country="Brazil" stateProvince="Estado de Minas Gerais">
<collectionCode id="C908AC6EECE4E196E3D95C725B7DAD4C" collectionName="UFRJ">UFRJ</collectionCode>
6377, 1 female, 15.9 mm SL; same locality; G. C. Brasil,
<date id="9674009C99A1A8F301AA21A66AA3008B" day="14" month="02" value="2006-02-14" year="2006">14 Feb. 2006</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="77F04DAC045D4182096238F4CDFBAE38" type="diagnosis">
<paragraph id="9D007CD7B94FB45986493F20CB22331A" pageNumber="47">Diagnosis</paragraph>
<paragraph id="CED2F0DCB8B2DD5B132EE8D1F31BC51B" pageNumber="47">
Similar to
<taxonomicName id="52E094C0DD918C732EF5F188733CAA48" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="47" phylum="Chordata" rank="species" species="alternatus">S. alternatus</taxonomicName>
and
<taxonomicName id="1741385CA9C4130832747596ADE78021" LSID-ZBK="urn:lsid:zoobank.org:act:35D28FFC-3C6D-418F-9F04-7AC464262DC9" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Simpsonichthys delucai Costa 2003:49" order="Cyprinodontiformes" pageNumber="47" phylum="Chordata" rank="species" species="delucai">S. delucai</taxonomicName>
, and distinguished from all other congeners in having the following combination of characters: anal fin rounded in males (vs. pointed), anal fin elongated, spatula-shaped in females (vs. short, nearly semicircular), and oblique bars on dorsal fin in males (vs. never with a similar color pattern).
<taxonomicName id="616F0BE1AFA083099A99FCCA53BE8AFC" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="47" phylum="Chordata" rank="species" species="fasciatus">Simpsonichthys fasciatus</taxonomicName>
differs from
<taxonomicName id="FE162DEC08ED06DC701DC83F6E97D6C2" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="47" phylum="Chordata" rank="species" species="alternatus">S. alternatus</taxonomicName>
and
<taxonomicName id="3AE03D4EB41B533435AE7451573A4A16" LSID-ZBK="urn:lsid:zoobank.org:act:35D28FFC-3C6D-418F-9F04-7AC464262DC9" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Simpsonichthys delucai Costa 2003:49" order="Cyprinodontiformes" pageNumber="47" phylum="Chordata" rank="species" species="delucai">S. delucai</taxonomicName>
in usually having dorsal-fin origin just anterior (occasionally slightly posterior) to anal-fin origin, on a vertical through base of 2nd anal-fin ray (vs. dorsal-fin origin on a vertical between base of 3rd and 5th anal-fin rays), and a dark gray to black stripe on distal margin of dorsal fin in males (vs. dark red distal stripe).
</paragraph>
</subSubSection>
<subSubSection id="334C1F71F0C473C205AD3FB5CEDC0CDE" type="description">
<paragraph id="39856C5FF46673D8C86188B5B565E32E" pageNumber="48">Description</paragraph>
<paragraph id="643A3177906FA3DFABB6519015755D9E" pageNumber="48">Morphometric data appear in Table 1. Males larger than females, the largest male examined 20.0 mm SL; largest female examined 16.7 mm SL. Dorsal profile slightly concave on head, convex from nape to end of dorsal-fin base, nearly straight on caudal peduncle. Ventral profile convex from lower jaw to end of anal-fin base, approximately straight on caudal peduncle. Body moderately deep and compressed, greatest body depth at level of pelvic-fin base. Snout blunt. Urogenital papilla cylindrical and short in males; urogenital papilla protuberate in females, posterior border slightly overlapping anterior portion of anal fin, urogenital opening transverse.</paragraph>
<paragraph id="8A83FBB6A27F7CC34583DCFF7F2BFFFA" pageNumber="48">Tip of dorsal fin pointed and tip of anal fin rounded in both sexes; anal fin long, spatula-shaped in females. Short filamentous rays on tip of dorsal fin in males, tip of longest filament reaching vertical through caudal-fin base. Most dorsal-fin rays unbranched. Caudal fin subtruncate in males, rounded in females. Pectoral fins elliptical. Posterior margin of pectoral fins reaching vertical between base of 4th and 6th anal-fins ray in males, through urogenital papilla in females. Tip of each pelvic fin reaching between base of 1st and 2nd anal-fin rays in males, reaching urogenital papilla in females. Pelvic-fin bases medially in contact. Dorsal-fin origin usually slightly anterior (sometimes posterior) to anal-fin origin, on vertical between base of 1st and 2nd anal-fin rays in males, and between base of 3rd and 4th anal-fin rays in females. Dorsal-fin origin between neural spines of vertebrae 7 and 8 in males, between neural spines of vertebrae 10 and 11 in females. Anal-fin origin between pleural ribs of vertebrae 7 and 9 in males, between pleural ribs of vertebrae 8 and 9 in females. Dorsal-fin rays 19-20 in males, 13-14 in females; anal-fin rays 20-21 in males, 17-19 in females; caudal-fin rays 22-24 in both sexes; pectoral-fin rays 12 in both sexes; pelvic-fin rays 6 in both sexes.</paragraph>
<paragraph id="36BE5AB467F962320947B3DBEABDBF5B" pageNumber="48">Scales large, cycloid. Body and head entirely scaled, except on ventral surface of head. Scales extending slightly onto middle of anal-fin base, and onto anterior fifth of caudal fin. Frontal squamation E-patterned; E-scales overlapping medially; no row of scales anterior to H-scale; two small supraorbital scales. Longitudinal series of scales 24-25; transverse series of scales 8-9; scale rows around caudal peduncle 12. Minute contact organ on each scale of anteroventral portion of flank in males. Small papillate contact organs on upper surface of dorsalmost ray of pectoral-fin in males.</paragraph>
<paragraph id="597F4D3D0DCFC4CFFA7CA4EC9BBE78A8" pageNumber="48">Cephalic neuromasts: supraorbital 11-13, parietal 3, anterior rostral 1, posterior rostral 1, infraorbital 2-3 + 18, preorbital 3, otic 2, post-otic 2, supratemporal 1, median opercular 1, ventral opercular 1-2, preopercular 13-15, mandibular 10-12, lateral mandibular 4-5, paramandibular 1. One neuromast on each scale of lateral line. Two neuromasts on caudalfin base.</paragraph>
<paragraph id="C573488B159E653AC45E8FD5BE414077" pageNumber="48">Basihyal subtriangular, the greatest width about 50 % of length; basihyal cartilage about 35 % of total length of basihyal. Six branchiostegal rays. Second pharyngobranchial teeth 3. Gill-rakers on first branchial arch 3 + 10. Vomerine teeth absent. Dermosphenotic absent. Ventral process of posttemporal long. Total vertebrae 25-26.</paragraph>
<paragraph id="BD55CB2D68FDB907A0400C2DB6ABAD4B" pageNumber="49">Coloration</paragraph>
<paragraph id="1CE0AC893421B294B35E3DB25D537D47" pageNumber="49">Males: Side of body light pinkish gray, with 9-10 reddish brown bars. Dorsum light brown, venter yellowish white. Sides of head yellowish gray; narrow red pigmentation on scale margins of posterodorsal portion of head; opercular and infraorbital regions golden. Iris light yellow, with brown bar through center of eye. Dorsal fin light greenish blue, with 6-8 oblique dark reddish brown bars; dark gray to black stripe on distal margin of fin. Anal fin light greenish blue, becoming light yellowish gray on anterior portion, with 5 oblique dark reddish brown bars; distal portion of fin dark orangish red. Caudal fin light greenish blue, with 4 dark reddish brown bars. Pelvic fins reddish brown. Pectoral fins hyaline.</paragraph>
<paragraph id="E5C79A0BE0BC6CC4CD3B66AA9EE83833" lastPageNumber="50" pageNumber="49">Females: Sides of body light brownish gray, usually with round black spot on anterocentral portion of flanks, sometimes two spots or spots absent; often faint gray bars on ventral portion of caudal peduncle. Dorsum light brownish gray, venter light gray. Opercular region pale greenish golden. Iris light yellow, with gray bar through center of eye. Fins hyaline.</paragraph>
</subSubSection>
<subSubSection id="39AE72EDCA1E7B9FAF7B095F3A94AEF3" type="distribution">
<paragraph id="0A2F73AF83A3E2D24848A9C596EA7956" pageNumber="50">Distribution</paragraph>
<paragraph id="07D76227CA5BF31C88338041E691D354" pageNumber="50">
Known only from the type locality, middle rio Preto drainage, itself a part of the rio Paracatu drainage, rio
<normalizedToken id="99332B417AFC8F93BCA1AE9815B77AAC" originalValue="São">Sao</normalizedToken>
Francisco basin,
<normalizedToken id="E2D8A35A25189BD697B9C7FC394C6DDD" originalValue="Unaí">Unai</normalizedToken>
, Estado de Minas Gerais, Brazil (Fig. 3).
</paragraph>
</subSubSection>
<subSubSection id="29755A401494941F4ED2BD3E78F5AD96" type="biology_ecology">
<paragraph id="16E5B3DDEA65903C786C7E2EACD26176" pageNumber="50">Habitat</paragraph>
<paragraph id="AB46B67E1D90326692A8E10E27FD013F" pageNumber="50">
<taxonomicName id="E3183FC1FD7143075B47A13868CF6363" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="50" phylum="Chordata" rank="species" species="fasciatus">Simpsonichthys fasciatus</taxonomicName>
was collected in a small and shallow seasonal pool, area about 20 m2, and maximum depth about 0.4 m. At 10:00 AM on
<date id="BE84B56C5B42A99DBEDFFB3A50D62E86" day="26" month="05" value="2005-05-26" year="2005">26 May 2005</date>
, the water was clear, pH 5.7, temperature of the air 29.0°C, temperature of the water near the surface 23.1°C, and temperature of the water near the bottom 20.8°C.
<taxonomicName id="5B5791280E3FFA54622885E0A7EED1FC" family="Rivulidae" genus="Simpsonichthys" higherTaxonomySource="CoL" kingdom="Animalia" order="Cyprinodontiformes" pageNumber="50" phylum="Chordata" rank="species" species="gibberatus">Simpsonichthys gibberatus</taxonomicName>
was also collected in this same biotope. Other fish species found but not preserved were:
<taxonomicName id="7CA6654FD8DD38DC7F5301FC7F1A8723" LSID-ZBK="urn:lsid:zoobank.org:act:4DB39814-5BBA-4D7B-8C5D-F830AB26824D" family="Characidae" genus="Astyanax" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Astyanax Baird &amp; Girard 1854:26" order="Characiformes" pageNumber="50" phylum="Chordata" rank="genus">Astyanax</taxonomicName>
sp.,
<taxonomicName id="F66EFEC586E92FEF157CDE5020BF31AE" LSID-ZBK="urn:lsid:zoobank.org:act:B5B5DA52-81E9-40A9-ABF4-20FEC823A808" family="Crenuchidae" genus="Characidium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Characidium Reinhardt 1867:55" order="Characiformes" pageNumber="50" phylum="Chordata" rank="genus">Characidium</taxonomicName>
sp. and
<taxonomicName id="9311E18BE40F3AEF4A19BEA0D94D6353" LSID-ZBK="urn:lsid:zoobank.org:act:E53FC311-2F08-4D89-A728-3C9978862EAC" family="Synbranchidae" genus="Synbranchus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Synbranchus Bloch 1795:86" order="Synbranchiformes" pageNumber="50" phylum="Chordata" rank="genus">Synbranchus</taxonomicName>
sp.
</paragraph>
</subSubSection>
<subSubSection id="AE1328379DA5EA809BE992FFD3500928" type="etymology">
<paragraph id="D556A5B8D98382A28115464E57534F92" pageNumber="50">Etymology</paragraph>
<paragraph id="5E4744C07D286CABF5BF3AD3007E928C" pageNumber="50">From the Latin fasciatus (with vertical bars), in reference to the male color pattern on the flanks and unpaired fins.</paragraph>
</subSubSection>
</treatment>
</document>