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Myxini (Kieferlose) (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); wadgensis: Named after the geographical region where it was collected. Wadge Bank.

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

seewasser demersal; tiefenbereich 250 - 300 m (Ref. 129537). Tropical

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Western Indian Ocean: Lakshadweep Sea, India.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 34.0 cm TL Männchen/unbestimmt; (Ref. 129537); 40.0 cm TL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

This six-gilled species is distinguished by the following characters: with 3/3 multicusp pattern, 9-10 anterior unicusps, and 7-8 posterior unicusps; posterior tip of the dental muscle reaching up to the mid-region of 2nd gill pouch; total cusps 44-48; total pores 67-69 (prebranchial 12-13, branchial 6, trunk 39-40, and tail 8-11). Colouration: uniformly brown on the dorsal and ventral region when fresh and dark brown when preserved in formalin (Ref. 129537).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Augustina, A.X.T., M.P. Sreeram, S. Sukumaran and A. Jose, 2022. A new species of six-gilled hagfish (Myxinidae: Eptatretus) from the Lakshadweep Sea. Zootaxa 5162(2):120-134. (Ref. 129537)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Trophic level (Ref. 69278): 4.1 ±0.7 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (30 of 100).

Eptatretus wadgensis Augustina, Sreeram, Sukumaran, Sreekumar, Jose, Joshi & Gopalakrishnan, 2022