Plesiolebias

Plesiolebias is a genus of fish in the family Rivulidae. These annual killifish are endemic to seasonal pools, swamps and lagoons in the Araguaia–Tocantins, Xingu, and uppermost Paraguay (Pantanal) river basins in Brazil.[2]

Plesiolebias
Plesiolebias glaucopterus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Plesiolebias
W. J. E. M. Costa, 1989
Type species
Cynolebias xavantei
Costa, Lacerda & Tanizaki, 1988[1]

They are small fish, up to 5 cm (2.0 in) in total length.[3] As typical of killifish, males are more colorful than females.[2]

Species

Plesiolebias and the closely related Maratecoara, Papiliolebias, Pituna and Stenolebias form a clade, Plesiolebiasini.[2]

There are currently eight recognized species in Plesiolebias:[3]

  • Plesiolebias altamira W. J. E. M. Costa & D. T. B. Nielsen, 2007
  • Plesiolebias aruana (Lazara, 1991)
  • Plesiolebias canabravensis W. J. E. M. Costa & D. T. B. Nielsen, 2007
  • Plesiolebias filamentosus W. J. E. M. Costa & G. C. Brasil, 2007
  • Plesiolebias fragilis W. J. E. M. Costa, 2007
  • Plesiolebias glaucopterus (W. J. E. M. Costa & Lacerda, 1989)
  • Plesiolebias lacerdai W. J. E. M. Costa, 1989
  • Plesiolebias xavantei (W. J. E. M. Costa, Lacerda & Tanizaki, 1988)
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References
  1. Eschmeyer, W. N.; R. Fricke & R. van der Laan (eds.). "Plesiolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 15 September 2019.
  2. Costa, W.J.E.M. (2007). "Taxonomy of the plesiolebiasine killifish genera Pituna, Plesiolebias and Maratecoara (Teleostei: Cyprinodontiformes: Rivulidae), with descriptions of nine new species". Zootaxa. 1410: 1–41.
  3. Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Plesiolebias in FishBase. November 2018 version.


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