Myxine circifrons, Whiteface hagfish

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Myxine circifrons Garman, 1899

Whiteface hagfish
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Native range | All suitable habitat | Point map | Year 2050
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Myxine circifrons   AquaMaps   Data sources: GBIF OBIS
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Image of Myxine circifrons (Whiteface hagfish)
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drawing shows typical species in Myxinidae.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Myxini (pirålar) (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);  circifrons: circi- (L., kirkos in Gr.) round; frons (L.) face or brow, referring to rounded labrum, or lip, between anterior narial barbels. (See ETYFish).
More on author: Garman.

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina djupbottenlevande; ej vandrande; djupintervall 700 - 1860 m (Ref. 31276). Deep-water

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Pacific: off southern California, USA. Also Peru (Ref. 5530) and Chile (Ref. 27540).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 65.0 cm TL hane/ej könsbestämd; (Ref. 31276)

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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 ).

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 12 November 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: saknar intresse
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