Eptatretus longipinnis, Longfinned hagfish

Eptatretus longipinnis Strahan, 1975

Longfinned hagfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Eptatretus longipinnis   AquaMaps   Data sources: GBIF OBIS
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Image of Eptatretus longipinnis (Longfinned hagfish)
Eptatretus longipinnis
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drawing shows typical fish in this Family.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Myxini (slijmprikken) (hagfishes) > Myxiniformes (Hagfishes) > Myxinidae (Hagfishes) > Eptatretinae
Etymology: Eptatretus: Greek, epta = seven + Greek, tretos, -e, -on = with holes (Ref. 45335).

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

; marien demersaal; standvastig; diepteverspreiding 14 - 40 m (Ref. 85052).   Temperate

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Eastern Indian Ocean: Off Robe and off Cape Douglas, South Australia.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 62.7 cm TL mannelijk/geslacht niet bekend; (Ref. 85052)

Korte beschrijving Morfologie | Morfometrie

This species is distinguished from all its congeners by its ventral fin fold beginning anterior to the first pair of gill apertures (within anterior 27-28% TL) (Ref. 85052).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Occurs on soft bottoms of the continental shelf (Ref. 7300). Maximum depth from Ref. 58018.

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | 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 ).

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

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. 120744)

  Kwetsbaar, zie IUCN Rode Lijst (VU) (B2ab(iii)); Date assessed: 10 November 2009

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 15 - 18.7, mean 17.4 (based on 24 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00094 - 0.00446), b=2.92 (2.72 - 3.12), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.2   ±0.41 se; Based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Kwetsbaarheid (Ref. 59153):  Moderate to high vulnerability (46 of 100) .