Spectrolebias
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| Spectrolebias | |
|---|---|
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Scientific classification  | |
| 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]