Eptatretus cirrhatus, Broadgilled hagfish : fisheries

Eptatretus cirrhatus (Forster, 1801)

Broadgilled hagfish
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Eptatretus cirrhatus   AquaMaps   Data sources: GBIF OBIS
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Image of Eptatretus cirrhatus (Broadgilled hagfish)
Eptatretus cirrhatus
Bild av Ryan, P.

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

Myxini (pirålar) (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.

Miljö: miljö / Klimatzon / djupintervall / distributionsområde Ekologi

marina djupbottenlevande; ej vandrande; djupintervall 0 - 1100 m (Ref. 89422), usually 40 - 700 m (Ref. 31276). Deep-water

Utbredning Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

Western Pacific: southern and eastern Australia and New Zealand.

Storlek / Vikt / Ålder

Könsmognad: Lm ?  range ? - ? cm
Max length : 97.0 cm TL hane/ej könsbestämd; (Ref. 101563)

Kort beskrivning Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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).
Body shape (shape guide): eel-like.

Biologi     Ordlista (t.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).

Livscykel och parningsbeteende Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | 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 ).

Huvudreferens Ladda upp dina referenser | 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)

Status på IUCN:s rödlista (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 09 November 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Hot mot människor

  Harmless





Mänskliga användningsområden

Fiskeri: kommersiell
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Ytterligare information

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Frimärken, mynt, diverse.
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Uppskattningar baserade på modeller

Önskad temperatur (Ref. 123201): 7.8 - 21, mean 12.3 °C (based on 188 cells).
Index för fylogenetisk mångfald (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00295 (0.00163 - 0.00535), b=2.95 (2.78 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisk nivå (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100).
Sårbarhet i fisket (Ref. 59153):  High vulnerability (59 of 100). 🛈
Priskategori (Ref. 80766):   Low.
Näringsämnen (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);