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Myxini (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); gomoni: In honor of Martin F. Gomon (b. 1945), Senior Curator, Ichthyology, Museum of Victoria (Melbourne, Australia), for “distinguished” contributions to ichthyology. (See ETYFish).

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

Marine; bathydemersal; depth range 260 - 705 m (Ref. 85052). Tropical

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Eastern Indian Ocean: Western Australia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 79.0 cm TL male/unsexed; (Ref. 85052)

Short description Identification keys | Morphology | Morphometrics

This species differs from all its congeners except four Indo-Pacific species (E. fernholmi, E. indrambaryai, E. okinoseanus and E. wisneri) by having 8 pairs of gill pouches and three-cusp multicusps on the anterior and two-cusp multicusp on the posterior rows of cusps. It differs from E. fernholmi in number of trunk pores (57-58 vs. 50), tail pores (14-15 vs. 9) and total pores (91-93 vs. 81); from E. indrambaryai in number of total cusps (50 vs. 45-48), trunk pores (57-58 vs. 45-50), tail pores (14-15 vs. 10-13) and total pores (91-93 vs. 77-82); from E. okinoseanus in number of total cusps (50 vs. 40-49), prebranchial pores (12-13 vs. 13-17) and tail pores (14-15 vs. 10-14); from E. wisneri by its number of anterior unicusps (10-11 vs. 9), total cusps (50 vs. 44), prebranchial pores (12-13 vs. 9-10), trunk pores (57-58 vs. 43-45) and total pores (91-93 vs. 73-75) (Ref. 85052).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Mincarone, M.M. and B. Fernholm, 2010. Review of the Australian hagfishes with description of two new species of Eptatretus (Myxinidae). J. Fish Biol. 77(4):779-801. (Ref. 85052)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 20 December 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00204 (0.00092 - 0.00452), b=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.3 ±0.7 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

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Eptatretus gomoni Mincarone & Fernholm, 2010