Freshwater sleeper
| Freshwater sleeper Temporal range:
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|---|---|
| File:Odontobutis obscura1.jpg | |
| Odontobutis obscura | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gobiiformes |
| Suborder: | Gobioidei |
| Family: | Odontobutidae Hoese & A. C. Gill, 1993 |
| Genera[1] | |
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See text | |
Freshwater sleepers are a small family, the Odontobutidae, of gobiiform ray-finned fishes native to freshwater rivers flowing into the South China Sea and the northwestern Pacific Ocean. The family consists of about 22 species in six genera.
Genera
[edit | edit source]The following genera are currently recognised as being within the family Odontobutidae:[2]
- Micropercops Fowler & Bean, 1920
- Neodontobutis I. S. Chen, Kottelat & H. L. Wu, 2002
- Odontobutis Bleeker, 1874
- Perccottus Dybowski, 1877
- Sineleotris Herre, 1940
- Terateleotris Shibukawa, Iwata & Viravong, 2001
A single fossil genus is known, †Paralates Sauvage, 1883, from the Late Eocene of England and Early Oligocene of France. This genus was long considered an early gobioid of uncertain affinities, but a 2025 study, which also analyzed its otolith morphology, found it to be a stem-member of the Odontobutidae.[3]
References
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