Freshwater sleeper

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Freshwater sleeper
Temporal range: Late Eocene to present
Odontobutis obscura1.jpg
Odontobutis obscura
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Suborder: Gobioidei
Family: Odontobutidae
Hoese & A. C. Gill, 1993
Genera [1]

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

The following genera are currently recognised as being within the family Odontobutidae: [2]

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

  1. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Family Odontobutidae". FishBase . February 2014 version.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Odontobutidae". Catalog of Fishes . California Academy of Sciences . Retrieved 19 July 2018.
  3. ↑ Bauer, Elena; Cerwenka, Alexander F.; Schliewen, Ulrich K.; Reichenbacher, Bettina (2025). "New osteological characteristics identify the first stem sleeper goby (Gobioidei, Odontobutidae) from the upper Eocene". Papers in Palaeontology. 11 (4): e70029. doi:10.1002/spp2.70029. ISSN   2056-2802.{{cite journal}}: CS1 maint: article number as page number (link)


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