FB-65945 http://www.fishbase.org/summary/SpeciesSummary.php?id=65945 Animalia Chordata Elasmobranchii Myliobatiformes Potamotrygonidae Heliotrygon Heliotrygon rosai Carvalho & Lovejoy, 2011 Rivulus cajariensis Costa & De Luca, 2011 2011-02-24 2024-03-19 Costa, W.J.E.M. and A.C. De Luca0 <i>Rivulus cajariensis</i>, a new killifish from the Guiana Shield of Brazil, eastern Amazon (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 21(4):353-358. (Ref. 86530) Costa, W.J.E.M.0 Phylogenetic position and taxonomic status of <i>Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion</i> and <i>Melanorivulus</i> (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 22(3):233-249. (Ref. 89845) FB-DiagnosticDescr-65954 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2011-03-01 00:00:00 2011-06-14 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=65954 Can be diagnosed from all congeners, except Rivulus igneus, by the presence of a dark greenish blue blotch on the upper portion of the opercle, and lower jaw, distal portion of anal fin and lower portion of caudal fin orange in males. Differs from Rivulus igneus by having fewer scales in the longitudinal and transverse series and by the presence of a black round spot on the upper portion of the caudal-fin base in females (Ref. 86530). Costa, W.J.E.M. and A.C. De Luca 2010 <i>Rivulus cajariensis</i>, a new killifish from the Guiana Shield of Brazil, eastern Amazon (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 21(4):353-358. (Ref. 86530) FB-Morphology-65954 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2011-03-01 00:00:00 2011-06-14 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=65954 Dorsal soft rays (total): 10 - 11; Analsoft rays: 16 - 17 Costa, W.J.E.M. and A.C. De Luca 2010 <i>Rivulus cajariensis</i>, a new killifish from the Guiana Shield of Brazil, eastern Amazon (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 21(4):353-358. (Ref. 86530) FB-Distribution-65954 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2011-03-01 22:53:12 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=65954 South America: Cajari River drainage, lower Amazonas River basin in northeastern Brazil. Costa, W.J.E.M. and A.C. De Luca 2010 <i>Rivulus cajariensis</i>, a new killifish from the Guiana Shield of Brazil, eastern Amazon (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 21(4):353-358. (Ref. 86530) FB-Size-65954 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2011-03-01 22:27:02 2024-03-19 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=65954 5.6 cm SL (male/unsexed; (Ref. 86530)) Costa, W.J.E.M. and A.C. De Luca 2010 <i>Rivulus cajariensis</i>, a new killifish from the Guiana Shield of Brazil, eastern Amazon (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 21(4):353-358. (Ref. 86530) 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-65954 http://purl.org/dc/dcmitype/Text text/html Frédéric Busson 2011-03-01 22:27:02 2024-03-19 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=65954 pelagic; freshwater