''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.
[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.''][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.''] 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.
They are small fish, up to in
total length.
As typical of killifish, males are more colorful than females.
[
]
Species
''Spectrolebias'' was formerly regarded as a subgenus of ''Simpsonichthys
''Simpsonichthys'' is a genus of killifish from the family Rivulidae the species of which are endemic to temporary freshwater habitats like ponds in the upper Paraná, upper Araguaia, upper Jequitinhonha and São Francisco basins on the centra ...
''.monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
.[
* '' Spectrolebias bellidoi'' D. T. B. Nielsen & Pillet, 2015][
* '' Spectrolebias brousseaui'' D. T. B. Nielsen, 2013][
* '' Spectrolebias chacoensis'' ( L. H. Amato, 1986)
* '' Spectrolebias costai'' ( Lazara, 1991)
* '' Spectrolebias filamentosus'' ( W. J. E. M. Costa, Barrera & Sarmiento, 1997)
* '' Spectrolebias inaequipinnatus'' ( W. J. E. M. Costa & G. C. Brasil, 2008)
* '']Spectrolebias pilleti
''Spectrolebias'' is a genus of killifish in the family (biology), family Rivulidae. These annual killifish are Endemism, endemic to seasonal waters (like pools) in the Paraguay River, Paraguay, Tocantins River, Tocantins–Araguaia River, Aragua ...
'' D. T. B. Nielsen & Brousseau Brousseau is a French surname. It can refer to the following people:
* Alfred Brousseau (1907 – 1988), American educator, photographer and mathematician
* Caleb Brousseau (born 1988), Canadian para-alpine skier
* Gino Brousseau (born 1966), Canad ...
, 2013[
* '' Spectrolebias reticulatus'' ( W. J. E. M. Costa & D. T. B. Nielsen, 2003)
* '' Spectrolebias semiocellatus'' W. J. E. M. Costa & D. T. B. Nielsen, 1997
]
References
Rivulidae
Freshwater fish genera
{{Cyprinodontiformes-stub