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Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Eponymy: Dr Gerhard Krefft (1912–1993) was a German ichthyologist and herpetologist whose great uncle was Johann Ludwig Gerard Krefft (below). [...] (Ref. 128868), visit book page.
More on authors: Nielsen & Larsen.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 1000 - 3200 m (Ref. 4460). Deep-water; 53°N - 49°S, 32°W - 154°W
Eastern Atlantic: scattered records from 53°N south to Azores, then from Morocco southward to Namibia. Eastern Pacific: off Hawaii. Indo-West Pacific: including Australia (Ref. 7300) and New Zealand (Ref. 5755). Elsewhere, Indian Ocean.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mâle / non sexé; (Ref. 4460)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 15 - 18; Épines anales: 0; Rayons mous anaux: 13 - 15.
Bathypelagic to benthopelagic (Ref. 4460). Mesopelagic at 1000-1600 m (Ref. 58302). Bottom trawl captures between 1,000-1,600 m and mid-water captures between 1,600-3,200 m (Ref. 4460).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Markle, D.F. and J.-C. Quéro, 1984. Alepocephalidae (including Bathylaconidae, Bathyprionidae). p. 228-253. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 4736)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 4.9, mean 3 °C (based on 2122 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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).
Niveau trophique (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).