Heinz Arno DrawertCarlos Ergueta2026-03-222026-03-22202610.48580/dgqqqhttps://doi.org/10.48580/dgqqqhttps://andeanlibrary.org/handle/123456789/85502Drainage basinGeographyGenusEcologyTaxonomy (biology)HolotypeFisheryZoologyBiologyRedescription of Austrolebias accorsii (Cyprinodontiformes: Rivulidae) and description of a new species of the genus from the upper Paraguay River basindataset