Xenurolebias

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.[2]

Xenurolebias
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cyprinodontiformes
Family:	Rivulidae
Genus:	Xenurolebias W. J. E. M. Costa, 2006
Type species
Simpsonichthys myersi Carvalho, 1971[1]

They are small fish, up to 6 cm (2.4 in) in total length.[3] As typical of killifish, males are more colorful than females.[2]

Species

Xenurolebias was formerly regarded as a subgenus of Simpsonichthys.[4][5]

There are currently 4 recognized species in Xenurolebias:[2][3]

• 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

References

1. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Xenurolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 16 September 2019.
2. 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.
3. Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Xenurolebias in FishBase. November 2018 version.
4. 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.
5. 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. doi:10.1590/1982-0224-20180007.