Hingemouth

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

Hingemouth
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gonorynchiformes
Family: Kneriidae
Subfamily: Phractolaeminae
Boulenger, 1901
Genus: Phractolaemus
Boulenger, 1901
Species:
P. ansorgii
Binomial name
Phractolaemus ansorgii
Boulenger, 1901
Synonyms

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.


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