Austrolebias Costa

Wilson J. E. M. Costa & Morevy M. Cheffe, 2005, Austrolebias univentripinnis sp. nov. (Teleostei: Cyprinodontiformes: Rivulidae): a new annual killifish from the Mirim Lagoon basin, southern Brazil., Zootaxa 1052, pp. 41-48 : 42

publication ID

z01052p041

publication LSID

lsid:zoobank.org:pub:F2E774DF-96BA-4F5E-AEF4-24F632537F8B

DOI

https://doi.org/10.5281/zenodo.6267703

persistent identifier

https://treatment.plazi.org/id/895968EE-6C29-2780-6629-E017798BE460

treatment provided by

Thomas

scientific name

Austrolebias Costa
status

 

[[ Austrolebias Costa View in CoL View at ENA   ZBK ]]

The genus Austrolebias Costa   ZBK comprises a diversified clade of Cynolebiatini annual killifishes endemic to southern Brazil, Paraguay, northern Argentina and Uruguay (Costa, 1998, 2002). Its included species inhabit temporary pools characteristic of all river drainages in this region, including the Paraná-Paraguay-Uruguay River system and the Patos-Mirim lagunar system. The latter system is located near the coast of southern Brazil and northeastern Uruguay, and is home to ten species of Austrolebias   ZBK : A. adloffi (Ahl) , A. arachan Loureiro, Azpelicueta & Garcia   ZBK , A. charrua Costa & Cheffe   ZBK , A. cyaneus (Amato) , A. gymnoventris (Amato) , A. luteoflammulatus (Vaz-Ferreira, Sierra & Scaglia) , A. jaegari Costa & Cheffe   ZBK , A. minuano Costa & Cheffe   ZBK , A. nigrofasciatus Costa & Cheffe   ZBK , and A. viarius (Vaz-Ferreira, Sierra & Scaglia) (Costa & Cheffe, 2001, 2002; Costa, 2003; Loureiro et al., 2004). A new species from the Jaguarão River drainage, which is tributary to the Mirim Lagoon, having apomorphic features such as triangular anal fin in females, pelvic-fin bases medially fused, and urogenital papilla attached to anal fin in males is herein described.

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