FB-64978 http://www.fishbase.org/summary/SpeciesSummary.php?id=64978 Animalia Chordata Teleostei Gobiiformes Gobiidae Trimma Trimma imaii Suzuki & Senou, 2009 Rivulus riograndensis Costa & Lanés, 2009 2009-07-01 2018-05-22 Costa, W.J.E.M. and L.E.K. Lanés0 <i>Rivulus riograndensis</i>, a new aplocheiloid killifish from Southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 20(1):91-95. (Ref. 81223) 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) Lanés, L.E.K., F.W. Keppeler and L. Maltchik0 Abundance, sex-ratio, length-weight relation, and condition factor of non-annual killifish <i>Atlantirivulus riograndensis</i> (Actinopterygii: Cyprinodontiformes: Rivulidae) in Lagoa do Peixe National Park, a Ramsar Site of Southern Brazil. Acta Ichthyol. Piscat. 42(3):247-252. (Ref. 92020) FB-GeneralDescr-64987 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2009-07-07 00:00:00 2024-07-18 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64987 The type locality is located in an open vegetation at the boarder of a forest and is a shallow pool, about 5-10 cm deep, with orangish hyaline water (Ref. 81223). A female-biased sex ratio (2.38 : 1, female : male) has been reported for this species (Ref. 92020). Costa, W.J.E.M. and L.E.K. Lanés 2009 <i>Rivulus riograndensis</i>, a new aplocheiloid killifish from Southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 20(1):91-95. (Ref. 81223) FB-Distribution-64987 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2009-07-07 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=64987 South America: Patos lagoon basin and adjacent coastal plains in southern Brazil. Costa, W.J.E.M. and L.E.K. Lanés 2009 <i>Rivulus riograndensis</i>, a new aplocheiloid killifish from Southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 20(1):91-95. (Ref. 81223) FB-Uses-64987 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2009-07-07 00:00:00 2024-07-18 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64987 fisheries: of no interest FB-Size-64987 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2009-07-07 00:00:00 2024-07-18 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64987 3.4 cm SL (male/unsexed; (Ref. 81223)) Costa, W.J.E.M. and L.E.K. Lanés 2009 <i>Rivulus riograndensis</i>, a new aplocheiloid killifish from Southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyol. Explor. Freshwat. 20(1):91-95. (Ref. 81223) 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-64987 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2009-07-07 00:00:00 2024-07-18 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64987 benthopelagic; freshwater