Maratecoara

Maratecoara is a genus of killifish in the family Rivulidae.[2] These annual killifish are endemic to seasonal pools, swamps and lagoons in the upper Araguaia–Tocantins and middle Xingu river basins in Brazil.[3][4] Most are from savanna regions, but M. gesmonei is from the Amazon rainforest.[4]

Maratecoara
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Maratecoara
W. J. E. M. Costa, 1995
Type species
Cynolebias lacortei
Lazara, 1991[1]

They are small fish, up to 5 cm (2.0 in) in total length.[2] The males are mottled or spotted orange-red and turquoise-blue, and have long, pointed fins. The much duller females have "normal" fins.[3][4]

Species

Maratecoara and the closely related Papiliolebias, Pituna, Plesiolebias and Stenolebias form a clade, Plesiolebiasini.[3]

There are currently 4 recognized species in Maratecoara:[2]

  • Maratecoara formosa W. J. E. M. Costa & G. C. Brasil, 1995
  • Maratecoara gesmonei D. T. B. Nielsen, Martins & Britzke, 2014
  • Maratecoara lacortei Lazara, 1991
  • Maratecoara splendida W. J. E. M. Costa, 2007
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References
  1. Eschmeyer, W. N.; R. Fricke & R. van der Laan (eds.). "Maratecoara". Catalog of Fishes. California Academy of Sciences. Retrieved 15 September 2019.
  2. Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Maratecoara in FishBase. November 2018 version.
  3. 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.
  4. Nielsen, D.T.B.; M. Martins; R. Britzke (2014). "Description of a new species of annual fish, Maratecoara gesmonei (Cyprinodontiformes: Rivulidae) from the rio Xingu system, Amazon basin, Brazil". aqua, International Journal of Ichthyology. 20 (2): 87–96.


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