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Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335); tenebrosus: tenebrosus meaning dark or gloomy, coming from the great depths where not even shadows occur..
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 46 - 5500 m (Ref. 4525). Deep-water
North Pacific: Bering Sea to at least California, USA. Southeast Pacific: Chile (Ref. 35724).
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2850)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 15 - 18; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 15 - 18; Σπόνδυλοι: 51 - 55. Branchiostegal rays: 6-7.
Found near or on bottoms (Ref. 2850). Feed on small crustaceans. Regarded as inferior food because of its soft, fleshy texture (Ref. 4525). Oviparous, with mesopelagic and bathypelagic larvae (Ref. 35724).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 4.1, mean 2.3 °C (based on 389 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.50 se; based on food items.
Generation time: 3.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.30).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).