Myxini (slijmprikken) (hagfishes) >
Myxiniformes (Hagfishes) >
Myxinidae (Hagfishes) > Eptatretinae
Etymology: Eptatretus: hepta (Gr.), seven; tretos (Gr.), perforated (i.e., with holes), referring to seven gill apertures on what would later be described as Homea banksii (=E. cirrhatus) [range within genus is 6-14 pairs of gill apertures]. (See ETYFish); hexatrema: hexa- (Gr.), six; trema (Gr.) hole, referring to six gill apertures per side. (See ETYFish).
More on author: Müller.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; standvastig; diepte 10 - 400 m (Ref. 36731), usually 10 - 45 m (Ref. 31276). Subtropical; 23°S - 35°S
Southeast Atlantic: known only from Walvis Bay, Namibia to Durban, South Africa.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm TL mannelijk / geslacht onbekend; (Ref. 36731)
Commonly burrows in muddy bottoms (Ref. 27121). Feeds mostly by scavenging on dead or disabled fish (Ref. 27121). It is parasitised by the monogenean Myxinidocotyle eptatreti on the body surface (Ref. 124056).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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