Leptopanchax

Leptopanchax is a genus of small fish, up to 5 cm (2.0 in) long, in the family Rivulidae.[2]. They are found in southeastern Brazil from Paraná to Rio de Janeiro.[1][3] Depending on the exact species, they inhabit small seasonal channels in the Atlantic rainforest or temporary pools in open habitats.[3] Several Leptopanchax species are very rare and L. sanguineus is possibly extinct.[4]

Leptopanchax
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Leptopanchax
W. J. E. M. Costa, 2016[1]
Type species
Cynolebias citrinipinnis
Costa, Lacerda & Tanizaki, 1988

Species

The species in Leptopanchax were formerly included in Leptolebias, but this makes the latter genus paraphyletic,[1] although they are still placed in that genus by Fishbase.[5]

There are currently 6 recognized species in Leptopanchax:[1][4][2]

  • Leptopanchax aureoguttatus (da Cruz, 1974)
  • Leptopanchax citrinipinnis (W. J. E. M. Costa, Lacerda & Tanizaki, 1988)
  • Leptopanchax itanhaensis (W. J. E. M. Costa, 2008)
  • Leptopanchax opalescens (G. S. Myers, 1942)
  • Leptopanchax sanguineus W. J. E. M. Costa, 2019 – possibly extinct
  • Leptopanchax splendens (G. S. Myers, 1942)

References
  1. 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.
  2. Eschmeyer, W. N.; R. Fricke & R. van der Laan (eds.). "Leptopanchax species". Catalog of Fishes. California Academy of Sciences. Retrieved 9 November 2018.
  3. "Leptopanchax (Costa 2016)". killifische.info. Retrieved 9 November 2018.
  4. Costa, W.J.E.M. (2019). "Description of a new species of cynopoeciline killifish (Cyprinodontiformes, Aplocheilidae), possibly extinct, from the Atlantic Forest of south-eastern Brazil". ZooKeys. 867: 73–85. doi:10.3897/zookeys.867.34034.
  5. Froese, Rainer and Pauly, Daniel, eds. (2006). Species of Leptolebias in FishBase. Aprilyear=2019 2006 version.


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