Actinopteri (ray-finned fishes) > Alepocephaliformes
(Slickheads and tubeshoulders.) > Alepocephalidae
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335). More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 365 - 1700 m (Ref. 4460), usually - m (Ref. ). Deep-water; 0°C - ; 66°N - 17°N, 78°W -
Eastern Atlantic: Greenland and Iceland southward to 17°N. Western Atlantic: Greenland to Grand Banks and 29°52'N, 77°09'W.
Length at first maturity / Size / Weight / Age
Maturity: Lm 55.0  range ? - ? cm
Max length : 100.0 cm SL male/unsexed; (Ref. 4460); max. reported age: 38 years (Ref. 41452)
Found over ooze and sand bottoms (Ref. 4736). Bathypelagic (Ref. 58426). Feeds mostly on coelenterates, but also decapods, tunicates and fishes (Ref. 4736).
Annual fecundity indeterminate (Ref. 51440).
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)
IUCN Red List Status (Ref. 124695)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 3.4 - 10.2, mean 6.9 °C (based on 170 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00189 - 0.00529), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.7 ±0.54 se; based on food items.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (K=0.077; tmax=38; Fec = 458 (per batch)).
Vulnerability (Ref. 59153
): High to very high vulnerability (70 of 100) .
Nutrients (Ref. 124155
): Calcium = 15.9 [6.8, 45.2] mg/100g ; Iron = 0.279 [0.150, 0.548] mg/100g ; Protein = 11.5 [9.7, 15.0] % ; Omega3 = 0.333 [0.143, 0.864] g/100g ; Selenium = 26 [11, 57] μg/100g ; VitaminA = 15.1 [3.8, 54.0] μg/100g ; Zinc = 0.334 [0.216, 0.538] mg/100g (wet weight); based on nutrient studies.