FB-68297 http://www.fishbase.org/summary/SpeciesSummary.php?id=68297 Animalia Chordata Teleostei Siluriformes Trichomycteridae Trichomycterus Trichomycterus ocanaensis Ardila Rodríguez, 2011 Raia preta do Tocantins Dobbeltplettet flodpigrokke Great freshwater stingray 2017-07-27 2021-09-23 Carvalho, M.R.0 <i>Potamotrygon rex</i>, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855). Zootaxa 4150(5):537-565. (Ref. 115938) CITES, UNEP-WCMC0 The Checklist of CITES Species Website. Appendices I, II and III valid from 04 April 2017. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://www.cites.org/eng/app/appendices.php [Accessed 01/08/2017]. (Ref. 115941) CITES, UNEP-WCMC0 The Checklist of CITES Species Website. Appendices I, II and III valid from 04 October 2017. CITES Secretariat, Geneva, Switzerland. Compiled by UNEP-WCMC, Cambridge, UK. https://www.cites.org/eng/app/appendices.php [Accessed 08/17/2017]. (Ref. 118484) CITES0 Appendices I, II and III valid from 11 January 2023 and 25 November 2023. UNEP. (Ref. 128078) Petersen, P.0 Danish names and photos and other species information. Pers. Comm. (Ref. 130676) CITES0 Appendices I, II and III. UNEP. (Ref. 131153) FB-GeneralDescr-68306 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2017-08-01 00:00:00 2017-09-29 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68306 Reported stomach contents in this species include fishes, insects and insect larvae, mollusks, and crustaceans, with predominance of insect larvae. Ontogenetic dietary shifts occur in species of this genus. Sexual maturity for males at about 58.0 cm TL (37.5 cm DL, 35.6 cm DW, MZUSP 120369, claspers almost fully calcified). Specimens greater than 100 cm in TL can easily weigh 20 kg. Great disparity in the largest sizes achieved by males and females (Ref. 115938). Carvalho, M.R. 2016 <i>Potamotrygon rex</i>, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855). Zootaxa 4150(5):537-565. (Ref. 115938) FB-Distribution-68306 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2017-08-01 00:00:00 2024-07-17 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68306 South America: Rio Tocantins, Brazil. Carvalho, M.R. 2016 <i>Potamotrygon rex</i>, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855). Zootaxa 4150(5):537-565. (Ref. 115938) FB-Size-68306 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2017-08-01 00:00:00 2017-09-29 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68306 75.0 cm WD (male/unsexed; (Ref. 115938)) Carvalho, M.R. 2016 <i>Potamotrygon rex</i>, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855). Zootaxa 4150(5):537-565. (Ref. 115938) 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-68306 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2017-08-01 00:00:00 2017-09-29 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68306 benthopelagic; freshwater