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> Alepocephaliformes (Slickheads and tubeshoulders.) > Alepocephalidae (Slickheads)
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335).
More on authors: Jordan & Thompson.

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

seewasser bathydemersal; tiefenbereich 500 - 2000 m (Ref. 41299). Deep-water

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Northwest Pacific: Hokkaido, Japan to the East China Sea.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 63.0 cm SL Männchen/unbestimmt; (Ref. 559)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 17 - 18; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 17 - 18. Body nearly cylindrical anteriorly, but compressed posteriorly. Head large, more than one-third of SL in length. Maxillary extending to middle of eye. Scales small, more than 65 in lateral line. Jet black head entirely naked.

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

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Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

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

Preferred temperature (Ref. 123201): 3.6 - 5.1, mean 4.4 °C (based on 43 cells).

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

Bayesian length-weight: a=0.00347 (0.00163 - 0.00737), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.2 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (51 of 100).

Alepocephalus umbriceps Jordan & Thompson, 1914