Nematolebias

Nematolebias is a genus of fish in the family Rivulidae. These threatened annual killifish are endemic temporary waters, like pools, in the Atlantic Forest in Rio de Janeiro state, Brazil (the equally threatened killifish genera Leptolebias and Notholebias are restricted to the same state).[2]

Nematolebias
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Nematolebias
W. J. E. M. Costa, 1998
Type species
Cynolebias whitei
G. S. Myers, 1942[1]

They are small fish that are up to 8 cm (3.1 in) in total length.[3] Like other killifish, the males are more colorful than females.[2]

Species

There are currently three recognized species in this genus:[2][3]

  • Nematolebias catimbau W. J. E. M. Costa, Amorim & Aranha, 2014
  • Nematolebias papilliferus W. J. E. M. Costa, 2002
  • Nematolebias whitei G. S. Myers, 1942 (Rio pearlfish)
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References
  1. Eschmeyer, W. N.; R. Fricke & R. van der Laan (eds.). "Nematolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 15 September 2019.
  2. Costa, W.J.E.M., Amorim, P.F. & Aranha, G.N. (2014): Species limits and DNA barcodes in Nematolebias, a genus of seasonal killifishes threatened with extinction from the Atlantic Forest of south-eastern Brazil, with description of a new species (Teleostei: Rivulidae). Ichthyological Exploration of Freshwaters, 24 (3) [2013]: 225-236.
  3. Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Nematolebias in FishBase. November 2018 version.


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