FB-64932 http://www.fishbase.org/summary/SpeciesSummary.php?id=64932 Animalia Chordata Teleostei Cypriniformes Nemacheilidae Triplophysa Triplophysa parvus Chen, Li & Yang, 2009 2009-05-25 2012-10-31 Carvalho, T.P. and R.R. Reis0 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) Saks, L.0 Estonian Common Names, Rank 2. Personal communication (Ref. 116654) FB-DiagnosticDescr-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:48:01 2009-05-29 23:48:01 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64942 Hisonotus megaloplax differs from its congeners by the arrangement of abdominal plates,which is composed by greatly enlarged lateral abdominal plates, which contact each other at the belly midline, without a median abdominal series or with a single triangular plate located posteriorly. All other species of Hisonotus, with the exception of Hisonotus montanus, possess a complete median series between the lateral abdominal plates or a naked area between them. This feature is polymorphic in H. montanus, some individuals having enlarged lateral abdominal plates contacting at the midline and leading to misidentification. Hisonotus megaloplax is further distinguished from Hisonotus montanus by the caudal-fin color pattern which is almost completely dark vs. color pattern composed by vertical dark stripes, and by the infraorbital canal entering infraorbital series via sphenotic vs. infraorbital canal entering infraorbital series via compound pterotic (Ref. 80996). Carvalho, T.P. and R.R. Reis 2009 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) FB-Morphology-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:48:01 2009-05-29 23:48:01 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64942 Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 1; Analsoft rays: 5 Carvalho, T.P. and R.R. Reis 2009 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) FB-Distribution-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:34:57 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64942 South America: Brazil. Known only from the headwaters of the rio Passo Fundo drainage, tributary to the upper rio Uruguay basin (Ref. 80996). Carvalho, T.P. and R.R. Reis 2009 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) FB-TrophicStrategy-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:50:39 2009-05-29 23:50:39 http://creativecommons.org/licenses/by-nc/3.0/ megaloplax The arroio Caraguatá at the type-locality is a small watercourse with slow to median flow of clear to brown waters running over stones, vegetal litter, and sandy bottom. The species inhabits marginal submerged vegetation composed mainly by grass. See Câmara & Hahn (2002) for detailed description of arroio Caraguatá and its fish fauna. Recent collection efforts failed to capture this species in the headwaters of rio Passo Fundo, near the city of Passo Fundo. The construction of a dam (Barragem da Fazenda da Brigada) and the pollution caused by sewer rejects from the urban area of Passo Fundo seems to be the cause of the disappearance of this species in that region (Ref. 80996). Carvalho, T.P. and R.R. Reis 2009 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) FB-Size-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:22:24 2024-03-20 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64942 4.7 cm SL (male/unsexed; (Ref. 80996)) Carvalho, T.P. and R.R. Reis 2009 Four new species of <i>Hisonotus</i> (Siluriformes: Loricariidae) from the upper rio Uruguay, southeastern South America, with a review of the genus in the rio Uruguay basin. Zootaxa 2113:1-40. (Ref. 80996) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2 Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-64942 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2009-05-29 23:22:24 2024-03-20 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64942 benthopelagic; freshwater