Myxine circifrons
Myxine circifrons, the whiteface hagfish, is a marine bathydemersal species of fish in the family Myxinidae. It is found off Southern California, Peru, and Chile and grows to 65 centimetres (26 in) total length.[2]
| Myxine circifrons | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | Myxini |
| Order: | Myxiniformes |
| Family: | Myxinidae |
| Genus: | Myxine |
| Species: | M. circifrons |
| Binomial name | |
| Myxine circifrons Garman, 1899 | |
 | |
Distribution and habitat
It is found off Southern California, Peru, and Chile in marine bathydemersal habitats approximately 700 metres (2,300 ft) to 1,860 metres (6,100 ft) deep.[2]
Anatomy and appearance
It grows to 65 centimetres (26 in) total length and is similar in appearance to other hagfish.[2] Gonads are situated in the peritoneal cavity.[2]
Reproduction
The whiteface hagfish becomes male when the posterior part of the gonads develop and female if the anterior part develops.[2] If both develop, the fish becomes hemaphroditic, and if none develops, the fish becomes sterile.[2]
References
- Mincarone, M.M. (2011). "Myxine circifrons". IUCN Red List of Threatened Species. 2011: e.T196052A8998570. doi:10.2305/IUCN.UK.2011-1.RLTS.T196052A8998570.en. Retrieved 4 March 2023.
- Fernholm, Bo (1998). "Hagfish systematics". In Jørgensen, Jørgen Mørup; Lomholt, Jens Peter; Weber, Roy E.; Malte, Hans (eds.). The Biology of Hagfishes. Chapman & Hall, London. pp. 33–44. doi:10.1007/978-94-011-5834-3_3.
- Froese, Rainer; Pauly, Daniel (eds.) (2022). "Myxine circifrons" in FishBase. April 2022 version.
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