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

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

marina djupbottenlevande; djupintervall 600 - 1000 m (Ref. 41299). Deep-water

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Northwest Pacific: Pacific coast of Japan and the Okinawa Trough (East China Sea).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.0 cm SL hane/ej könsbestämd; (Ref. 559)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 17 - 21; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 18 - 22. Pored scales in lateral line less than 60. Snout wide in dorsal view, rounded anteriorly. Frontal portion of orbital rim forming a prominent ridge above the eye. Orbit circular. Reaches 40 cm SL.

Found on the continental slope (Ref. 75154).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
Ekologi

Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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Life cycle
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Egg(s)
Egg developments
Larver
Larvdynamik

Distribution
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Anatomy
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Hjärnstorlek
Otoliths

Physiology
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Swimming type
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Visual pigment(s)
Fiskljud
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Genetics
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Human related
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Vattenbruksprofiler
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Ciguatera cases
Stamps, coins, misc.

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synonymer
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References
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Estimates based on models

Preferred temperature (Ref. 123201): 1.6 - 3.1, mean 2.2 °C (based on 89 cells).

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

Bayesian length-weight: a=0.00347 (0.00164 - 0.00733), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.6 ±0.2 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (39 of 100).

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