FB-71053 http://www.fishbase.org/summary/SpeciesSummary.php?id=71053 Animalia Chordata Teleostei Siluriformes Callichthyidae Corydoras Corydoras caramater Tencatt, Couto, Santos & Sousa, 2024 2025-04-24 2025-04-24 Volcan, M.V., F. Severo-Neto and L.E.K. Lanés0 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-GeneralDescr-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 The species inhabits stream bank and adjacent shallow pools, with clear, still water, over muddy and clay substrates. It is present in both sunlit areas and those shaded by vegetation, particularly by buriti palms (Mauritia flexuosa) (Ref. 133473). Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-DiagnosticDescr-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 This species is distinguished by the following set of characters: distal margin of the unpaired fins and pelvic-fin orangish-red in males; distinctive dark marks on the humeral region absent; scales in the transversal series 10-11; pectoral fin rays 13; pelvic-fin length 10.3-11.6% SL; head length 27.8-30.5% SL; head width in females 75.0-80.6%; caudal-fin length in males 29.9-33.6% and 30.6-32.1% SL in females; red oblique bars in the caudal fin in males present; eye diameter 28.8-32.3% HL; body depth 22.0-23.1% SL; pre-pelvic length 52.8-55.7% SL (Ref. 133473). Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-Morphology-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 Dorsal soft rays (total): 9 - 10; Analsoft rays: 14 - 16; Vertebrae: 30 - 31 Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-Distribution-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 South America: Brazil. Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-Uses-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 fisheries: of no interest FB-TrophicStrategy-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ terena The species inhabits stream bank and adjacent shallow pools, with clear, still water, over muddy and clay substrates. It is present in both sunlit areas and those shaded by vegetation, particularly by buriti palms (Mauritia flexuosa) (Ref. 133473). Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) FB-Size-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 2.8 cm SL (male/unsexed; (Ref. 133473)) Volcan, M.V., F. Severo-Neto and L.E.K. Lanés 2024 A new species of <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae) from headwaters of the Taquari River basin, Paraguay River basin, central Brazilian Cerrado. Journal of Natural History 58(37-40):1493-1508. (Ref. 133473) 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-71062 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-05-08 00:00:00 2025-05-08 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71062 benthopelagic; freshwater