Xenurolebias Explained

Xenurolebias is a genus of fish in the family Rivulidae. These annual killifish are endemic to temporary pools in the Atlantic forest near the coast in southeast Bahia and Espírito Santo, Brazil.^[1]

They are small fish, up to in total length. As typical of killifish, males are more colorful than females.^[1]

Species

Xenurolebias was formerly regarded as a subgenus of Simpsonichthys.^{[2] [3]}

There are currently 4 recognized species in Xenurolebias:^[1]

• Xenurolebias cricarensis W. J. E. M. Costa, 2014
• Xenurolebias izecksohni da Cruz, 1983
• Xenurolebias myersi A. L. de Carvalho, 1971
• Xenurolebias pataxo W. J. E. M. Costa, 2014

Notes and References

1. Costa, W.J.E.M. & Amorim, P.F. (2014): Integrative taxonomy and conservation of seasonal killifishes, Xenurolebias (Teleostei: Rivulidae), and the Brazilian Atlantic Forest. Systematics and Biodiversity, 12 (3): 350-365.
2. Costa, W.J.E.M. . 2016 . Comparative morphology and classification of South American cynopoeciline killifishes (Cyprinodontiformes: Aplocheilidae), with notes on family-group names used for aplocheiloids . Vertebrate Zoology . 66 . 2 . 125–140 . 10.3897/vz.66.e31538 . free .
3. Loureiro, M. . R. De Sá . S.W. Serra . F. Alonso . L.E.K. Lanés . M.V. Volcan . P. Calviño . D. Nielsen . A. Duarte . G. Garcia . 2018 . Review of the family Rivulidae (Cyprinodontiformes, Aplocheiloidei) and a molecular and morphological phylogeny of the annual fish genus Austrolebias Costa 1998 . Neotropical Ichthyology . 16 . 3 . e180007 . 10.1590/1982-0224-20180007 . free . 20.500.12008/26301 . free .