Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batipelagico; distribuzione batimetrica 0 - 2000 m (Ref. 9927), usually 500 - 700 m (Ref. 6744). Deep-water; 65°N - 40°S
Circumglobal: In tropical to temperate waters. Eastern Atlantic: Iceland and British Isles to South Africa including Canary Islands and Ascension Island (Ref. 6744). Northwest Atlantic: Canada (Ref. 5951). Not recorded from the Mediterranean (Ref. 6744).
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.6 cm TL maschio/sesso non determinato; (Ref. 5951); common length : 9.0 cm SL maschio/sesso non determinato; (Ref. 6536)
Spine dorsali (totale) : 1; Raggi dorsali molli (totale) : 25 - 29; Spine anali: 1; Raggi anali molli: 18 - 24; Vertebre: 27 - 29. Body black dorsally, silvery on sides (Ref. 6622). Branchiostegal rays: 7-8 (Ref. 36622). Body deep, heavy, sides straight. Large adults very dark brown (Ref. 37108).
Juveniles are found from near surface to about 250 m to more than 1,000 m (Ref. 6536). Largest adults may be benthopelagic (Ref. 9851). Adults are plankton-eaters like the other members of the family (Ref. 6744). Oviparous, with planktonic larvae (Ref. 36622).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesca: di potenziale interesse
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 3.3 - 12.2, mean 8.1 °C (based on 510 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03548 (0.01973 - 0.06380), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
Nutrients (Ref.
124155): Calcium = 14.5 [4.0, 67.8] mg/100g; Iron = 0.452 [0.132, 1.423] mg/100g; Protein = 2.82 [0.00, 6.75] %; Omega3 = 0.188 [0.059, 0.608] g/100g; Selenium = 14.6 [3.8, 60.7] μg/100g; VitaminA = 18 [2, 154] μg/100g; Zinc = 0.449 [0.188, 1.168] mg/100g (wet weight);