Article · Wikipedia archive · Last revised Jul 22, 2026

Kryptolebias

Kryptolebias is a genus of killifish in the family Rivulidae mostly native to warm parts of South America but with one species found north through the Caribbean region to the Gulf Coast states of the United States. They are small fish, up to 7.5 cm (3.0 in) in total length. They are non-annual killifish. The genus was originally named Cryptolebias but this name was pre-occupied by a genus of fossil fish.

Last revised
Jul 22, 2026
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Wikipedia ↗
Kryptolebias
Mangrove rivulus (K. marmoratus)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Kryptolebias
W. J. E. M. Costa, 2004
Type species
Fundulus brasiliensis
Valenciennes, 18211
Synonyms

Cryptolebias Costa, 20041

Kryptolebias is a genus of killifish in the family Rivulidae mostly native to warm parts of South America but with one species (K. marmoratus) found north through the Caribbean region to the Gulf Coast states of the United States. They are small fish, up to 7.5 cm (3.0 in) in total length.2 They are non-annual killifish.3 The genus was originally named Cryptolebias but this name was pre-occupied by a genus of fossil fish.1

Species

K. ocellatus source ↗

There are currently 8 recognized species in this genus:2

References

References

  1. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Kryptolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 12 September 2019.
  2. Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Kryptolebias". 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.