Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 0 - 4938 m (Ref. 58302), usually 300 - 900 m (Ref. 28981). Deep-water; 61°N - 68°S
Atlantic, Indian and Pacific: in deep water of tropical to temperate zones. Southern Ocean: between the Antarctic Polar Front and the Antarctic continental shelf of the Indian Ocean sector, near the Balleny Islands, and the Scotia Sea. Eastern Pacific: California Current region (Ref. 35800). South China Sea (Ref.74511).
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.6 cm SL hane/ej könsbestämd; (Ref. 28981); 5.8 cm SL (female)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 12 - 15; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 21; Ryggkotor: 29 - 34. Light to dark brown in color (Ref. 3991). Branchiostegal rays: 14.
Meso- to bathypelagic (Ref. 58302). Oceanic, precise depth range dependent upon developmental stage, latitude, season (Ref. 4769). No apparent vertical migration observed (Ref. 4463). Lipid content is 4.3 % in fresh body weight and wax ester is 53.5 % in total lipids (Ref. 9193). Oviparous, with planktonic eggs and larvae (Ref. 35800). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Gon, O., 1990. Gonostomatidae. p. 116-122. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5162)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 4 - 13.5, mean 7.9 °C (based on 2064 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00157 - 0.00697), b=2.89 (2.71 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.28 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming Fec<2000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
