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Alepocephaliformes (Slickheads and tubeshoulders) >
Alepocephalidae (Slickheads)
Etymology: Asquamiceps: Greek, a = without + Latin, squama, -ae = scale + Latin, ceps = head (Ref. 45335).
Eponymy: Dr Johan Hjort (1869–1948) was a Norwegian oceanographer, fisheries scientist and marine zoologist and one of the leading men of his time in his field. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 1000 - 2865 m (Ref. 58018). Deep-water
Eastern Atlantic. Indo-West Pacific.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.3 cm SL male/unsexed; (Ref. 4460)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Markle, D.F. and Y.I. Sazanov, 1990. Alepocephalidae. p. 246-264. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4460)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00339 (0.00162 - 0.00707), 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) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |