Myxini (peixes-bruxa) (hagfishes) >
Myxiniformes (Hagfishes) >
Myxinidae (Hagfishes) > Myxininae
Etymology: Myxine: Ancient Greek word for a slimy fish: myxa, slime; -inus, one who, referring to copious amounts of slime produced by M. glutinosa. (See ETYFish); knappi: In honor of American ichthyologist Leslie W. Knapp (1929-2017), National Museum of Natural History, Smithsonian Institution, for supplying the authors with study material. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batidemersal; não migratória; intervalo de profundidade ? - 650 m (Ref. 31276). Deep-water
Southwest Atlantic: known only from the type material collected near the Falkland Islands.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 56.5 cm TL macho/indeterminado; (Ref. 31276)
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Copulatory organ absent. The gonads of hagfishes are situated in the peritoneal cavity. The ovary is found in the anterior portion of the gonad, and the testis is found in the posterior part. The animal becomes female if the cranial part of the gonad develops or male if the caudal part undergoes differentiation. If none develops, then the animal becomes sterile. If both anterior and posterior parts develop, then the animal becomes a functional hermaphrodite. However, hermaphroditism being characterised as functional needs to be validated by more reproduction studies (Ref. 51361 ).
Fernholm, B., 1998. Hagfish systematics. p. 33-44. In J.M. Jørgensen, J.P. Lomholt, R.E. Weber and H. Malte (eds.) The biology of hagfishes. Chapman & Hall, London. 578 p. (Ref. 31276)
Status na Lista Vermelha da UICN (Ref. 126983)
Ameaça para os humanos
Harmless
Uso pelos humanos
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