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Kryptolebias
W.J.E.M Costa, 2004

Order:  Cyprinodontiformes
Family:  Rivulidae
Genus: Kryptolebias Huber, 1999
Type species: Fundulus brasiliensis  Valenciennes, 1821 

 

 Kryptolebias is a genus of South American plant spawning killifish.  They are unique in some species are hermaphroditic (lay viable eggs with a female/male fertilization).  Until 2011, Kryptolebias were included in Rivulus until Costa’ compete revision of the genus.  J.H Huber refuted Costa’s work and moved all of Costa’s genera back into Rivulus.  There are a number of opinions out there and some prefer to maintain them in Rivulus.  There are currently 8 species in Kryptolebias.  They are extremely rare in the hobby with only Krp. marmoratus and Krp. occellatus are in the hobby.

    They are found in South America and around the Caribbean into Florida.

 

References:

  1.  Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). “Kryptolebias“. Catalog of Fishes. California Academy of Sciences. Retrieved 12 September 2019.
  2. Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Kryptolebias in FishBase. October 2018 version.
  3. Berois, N.; G. García; R.O. de Sá, eds. (2015). Annual Fishes: Life History Strategy, Diversity, and Evolution. CRC Press. p. 16. ISBN 9781482299717.
 Kryptolebias ocellatus

 

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