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Spectrolebias
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Spectrolebias
W. J. E. M. Costa & D. T. B. Nielsen, 1997
Type species
Spectrolebias semiocellatus
Costa & Nielsen, 1997[1]

Spectrolebias is a genus of killifish in the family Rivulidae. These annual killifish are endemic to seasonal waters (like pools) in the Paraguay, Tocantins–Araguaia, Xingu and Mamoré–Grande basins in Bolivia, Brazil and Paraguay.[2][3][4] Each species generally has a small distribution and some are seriously threatened by habitat loss; the entire known range of S. reticulatus is in the area flooded by the Belo Monte Dam.[5]

They are small fish, up to 6 cm (2.4 in) in total length.[6] As typical of killifish, males are more colorful than females.[2][3][4]

Species[edit]

Spectrolebias was formerly regarded as a subgenus of Simpsonichthys.[7][8][9] Although this split is generally accepted, a genetic study indicates that Spectrolebias is not monophyletic.[10]

There are currently 9 recognized species in Spectrolebias:[6]

References[edit]

  1. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Spectrolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 16 September 2019.
  2. ^ a b c Nielsen, D.T.B. & Pillet, D. (2015): Spectrolebias bellidoi, a new annual fish (Cyprinodontiformes: Rivulidae: Cynolebiatinae) from the upper Río Grande basin, Amazon basin, Bolivia. aqua, International Journal of Ichthyology, 21 (4): 180-187.
  3. ^ a b c Nielsen, D.T.B. (2013). "Spectrolebias brousseaui (Cyprinodontiformes: Rivulidae: Cynolebiatinae), a new annual fish from the upper río Mamoré basin, Bolivia". Neotropical Ichthyology. 11 (1): 81–84. doi:10.1590/S1679-62252013000100009.
  4. ^ a b c Nielsen, D.T.B. & Brousseau, R. (2013): Spectrolebias pilleti, a new annual Killifish (Cyprinodontiformes: Rivulidae: Cynolebiatinae) from the upper río Mamoré basin, Bolivia. aqua, International Journal of Ichthyology, 19 (3): 115-122.
  5. ^ 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.
  6. ^ a b Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Spectrolebias in FishBase. November 2018 version.
  7. ^ Costa, W.J.E.M. (2010). "Historical biogeography of cynolebiasine annual killifishes inferred from dispersal–vicariance analysis". Journal of Biogeography. 37 (10): no. doi:10.1111/j.1365-2699.2010.02339.x. S2CID 86190659.
  8. ^ 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. doi:10.3897/vz.66.e31538.
  9. ^ Loureiro, M.; R. De Sá; S.W. Serra; F. Alonso; L.E.K. Lanés; M.V. Volcan; P. Calviño; D. Nielsen; A. Duarte; G. Garcia (2018). "Review of the family Rivulidae (Cyprinodontiformes, Aplocheiloidei) and a molecular and morphological phylogeny of the annual fish genus Austrolebias Costa 1998". Neotropical Ichthyology. 16 (3): e180007. doi:10.1590/1982-0224-20180007. hdl:20.500.12008/26301.
  10. ^ Ponzetto, J.M.; R. Britzke; D.T.B. Nielsen; P.P. Parise-Maltempi; A.L. Alves (2016). "Phylogenetic relationships of Simpsonichthys subgenera (Cyprinodontiformes, Rivulidae), including a proposal for a new genus". Zoologica Scripta. 45 (4): 394–406. doi:10.1111/zsc.12159. S2CID 86027315.


source: https://en.wikipedia.org/wiki/Spectrolebias