FB-64580 http://www.fishbase.org/summary/SpeciesSummary.php?id=64580 Animalia Chordata Teleostei Anabantiformes Osphronemidae Betta Betta ferox Schindler & Schmidt, 2006 Rivulus gaucheri Keith, Nandrin & Le Bail, 2006 2008-08-04 2024-07-18 Keith, P., L. Nandrin and P.-Y. Le Bail0 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) Costa, W.J.E.M.0 Phylogenetic position and taxonomic status of Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion and Melanorivulus (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 22(3):233-249. (Ref. 89845) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-64590 http://purl.org/dc/dcmitype/Text text/html Nicolas Bailly 2008-08-04 00:00:00 2012-10-24 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 Occurs in small groups in small mountainous rivers and marshes (Ref. 78216). Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) FB-DiagnosticDescr-64590 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2008-08-08 00:00:00 2008-08-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 Differs from other species of the genus by a combination of characters including dorsal and anal fin ray counts, number of scales in lateral and transverse series, by the lack of the supracaudal spot at all ages in both sexes, a short base dorsal fin, a yellow color background on body, a red colored sub-distal area on anal fin in male, with a yellow one in female, and a dark margin on caudal fin (Ref. 78216).Description: longitudinal series of scales 38-41; transverse series of scales 10-11 (Ref. 78216). Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) FB-Morphology-64590 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2008-08-08 00:00:00 2008-08-08 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 Dorsal soft rays (total): 8 - 9; Analsoft rays: 13 - 15; Vertebrae: 31 - 35 Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) FB-Distribution-64590 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2008-08-08 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 South America: Maroni basin in French Guiana. Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) FB-Size-64590 http://purl.org/dc/dcmitype/Text text/html Nicolas Bailly 2008-08-04 00:00:00 2012-10-24 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 5.7 cm SL (male/unsexed; (Ref. 78216)) Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216) 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-64590 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2008-08-04 00:00:00 2012-10-24 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64590 benthopelagic; freshwater; depth range 0 - ? m (Ref. 78216) Keith, P., L. Nandrin and P.-Y. Le Bail 2006 Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216)