Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 100 - 1700 m (Ref. 96339). Deep-water; 71°N - 58°S, 180°W - 180°E
Atlantic, Indian and Pacific: widely distributed in tropical and subtropical waters. Eastern Pacific: California Current region (Ref. 35604).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm SL mâle / non sexé; (Ref. 4459)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 9 - 12; Épines anales: 0; Rayons mous anaux: 18 - 23; Vertèbres: 48 - 54. More than two eyes; anal fin base longer than caudal peduncle; swim bladder absent; branchiostegal rays, two on each side; pectoral fins originating close to ventral surface of the body. Head and body black when fresh; scale pocket markings jet black (Ref. 13608). Branchiostegal rays: 2 (Ref. 35604). Also Ref. 41299.
Mesopelagic, perhaps with diel migration (Ref. 58302). Usually caught singly, but also in small aggregations (Ref. 6345). Feed on plankton (Ref. 6345). Oviparous, with planktonic eggs and larvae (Ref. 35604). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Cohen, D.M., 1984. Bathylagidae. p. 392-394. 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, Volume 1. Unesco, Paris. (Ref. 6345)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
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): 3.2 - 13.8, mean 8.2 °C (based on 1243 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00247 - 0.01018), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).