Hingemouth

Hingemouth
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Gonorynchiformes
Family:Phractolaemidae
Boulenger, 1901
Genus:Phractolaemus
Boulenger, 1901
Species: P. ansorgii
Binomial name
Phractolaemus ansorgii
Boulenger, 1901
Synonyms

The hingemouth (Phractolaemus ansorgii) is a small freshwater fish that is found only in west central Africa, the sole member of the family Phractolaemidae.

The mouth can extend like a small trunk, thus the name, and has just two teeth, both in the lower jaw. The swim bladder has two compartments, and can function as a lung, allowing the hingemouth to survive in oxygen-poor environments.[1]

References

  1. ↑ Banister, Keith F. (1998). Paxton, J.R.; Eschmeyer, W.N., eds. Encyclopedia of Fishes. San Diego: Academic Press. p. 97. ISBN 0-12-547665-5.
  • "Phractolaemus ansorgii". Integrated Taxonomic Information System. Retrieved 11 March 2006.
  • Froese, Rainer, and Daniel Pauly, eds. (2006). "Phractolaemidae" in FishBase. May 2006 version.
  • Froese, Rainer, and Daniel Pauly, eds. (2006). Species of Phractolaemus in FishBase. May 2006 version.
  • Froese, Rainer and Pauly, Daniel, eds. (2006). "Phractolaemus ansorgii" in FishBase. May 2006 version.


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