Mesonauta festivus

Mesonauta festivus
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Cichliformes
Family:Cichlidae
Genus:Mesonauta
Species: M. festivus
Binomial name
Mesonauta festivus
(Heckel, 1840)

Mesonauta festivus, the flag cichlid, is a species of cichlid native to the Paraná, Paraguay, Madre de Dios, Guaporé, Mamoré, Jamari and Tapajós river basins in Brazil, Peru, Paraguay and Bolivia.[1] It can reach a length of 15.24 centimetres (6.00 in) SL in an aquarium and up to 20.32 centimetres (8.00 in) in the wild.[1] The fish are sometimes referred to as festivum in the aquarium trade.

It was generally recognized as the only valid species in the genus Mesonauta until 1991 when a taxonomic review found that five species should be recognized (a sixth was described in 1998).[2][3] As a consequence aquarium specimens have generally been labelled M. festivus, but this species is seen far less often than some of its relatives, especially M. guyanae, M. insignis and M. mirificus.[4] The other species in the genus have a more northernly range than M. festivus.[2]

References

  1. 1 2 Froese, Rainer and Pauly, Daniel, eds. (2017). "Mesonauta festivus" in FishBase. January 2017 version.
  2. 1 2 Kullander, S.O.; Silfvergrip, A.M.C. (1991). "Review of the South American cichlid genus Mesonauta Günther (Teleostei, Cichlidae) with descriptions of two new species". Revue Suisse de Zoologie. 92 (2): 407–448.
  3. ↑ Froese, Rainer, and Daniel Pauly, eds. (2017). Species of Mesonauta in FishBase. January 2017 version.
  4. ↑ Kutty, V. (2017). "Is that a Festivum?". Retrieved 28 January 2017.


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