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 
| |
| 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]
 | This Gonorynchiformes-related article is a stub. You can help Wikipedia by expanding it. |