Eptatretus cirrhatus, Broadgilled hagfish

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Eptatretus cirrhatus (Forster, 1801)

Broadgilled hagfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Eptatretus cirrhatus   AquaMaps   Data sources: GBIF OBIS
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Image of Eptatretus cirrhatus (Broadgilled hagfish)
Eptatretus cirrhatus
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Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

Myxini (peixes-bruxa) (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);  cirrhatus: Latin for having tendrils, i.e., presumed to be a species of “lamprey” with barbels. (See ETYFish).
More on author: Forster.

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

marinhas batidemersal; não migratória; intervalo de profundidade 0 - 1100 m (Ref. 89422), usually 40 - 700 m (Ref. 31276). Deep-water

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Western Pacific: southern and eastern Australia and New Zealand.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 97.0 cm TL macho/indeterminado; (Ref. 101563)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 0; Raios dorsais (total): 0; Espinhos anais 0; Raios anais : 0. This species differs from all its congeners except E. caribbeaus, E. goliath, E. menezesi and E. strahani by having 7 pairs of gill pouches and three-cusp multicusps on the anterior and posterior rows of cusps. It differs from E. caribbeaus in number of anterior unicusps (8-11 vs. 11-13), posterior unicusps (7-9 vs. 10-11), total cusps (43-51 vs. 54-58) and prebranchial pores (16-20 vs. 13-15); from E. goliath in number of anterior unicusps (8-11 vs. 11-13), total cusps (43-51 vs. 54) and trunk pores (46-53 vs. 57-58); from E. menezesi in number of posterior unicusps (7-9 vs. 9-12), total cusps (43-51 vs. 52-60), tail pores (10-14 vs. 14-18); from E. strahani by its number of prebranchial pores (16-20 vs. 13-16) (Ref. 85052).

Biologia     Glossário (p.ex. epibenthic)

Occurs on soft bottoms of the continental slope (Ref. 7300). Able to form locally abundant populations and is often associated with inshore reefs (Ref. 85052).

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 ).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

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. 130435)

  Segura ou pouco preocupante (LC) ; Date assessed: 09 November 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





Uso pelos humanos

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Estimates based on models

Preferred temperature (Ref. 123201): 7.8 - 21, mean 12.3 °C (based on 188 cells).
Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00163 - 0.00533), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nível Trófico (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliência (Ref. 120179):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  High vulnerability (59 of 100).
Nutrients (Ref. 124155):  Calcium = 9.68 [2.59, 31.93] mg/100g; Iron = 0.327 [0.115, 0.895] mg/100g; Protein = 2.96 [0.00, 6.83] %; Omega3 = 0.316 [0.118, 0.883] g/100g; Selenium = 16.1 [5.3, 54.3] μg/100g; VitaminA = 9.03 [1.76, 45.12] μg/100g; Zinc = 0.249 [0.118, 0.482] mg/100g (wet weight);