Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 16 - 4663 m (Ref. 58302), usually 600 - 1800 m (Ref. 58302). Deep-water; 61°N - 40°S, 180°W - 180°E
Atlantic, Indian and Pacific: in tropical to temperate waters. Southern Ocean: Indian Ocean sector south of Australia. South China Sea (Ref.74511).
Length at first maturity / Size / Vikt / Age
Maturity: Lm 4.3  range ? - ? cm
Max length : 4.8 cm SL hane/ej könsbestämd; (Ref. 5162); 7.5 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: 16 - 19. Light to dark brown in color; transparent or slightly pigmented immediately anterior to anal and dorsal origin; median fin rays and internasal area pigmented; meningeal pigment extending to level of rear margin of eye (Ref. 3991).
Meso- to bathypelagic (Ref. 58302). Oceanic, precise depth range dependent upon developmental stage, latitude, season (Ref. 4769). Does not exhibit diel vertical migrations (Ref. 4769). Lipid content is 2.3 % in fresh body weight and wax ester is 34.0 % in total lipids (Ref. 9193).
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): 2.5 - 8.7, mean 4.2 °C (based on 3651 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00171 - 0.00885), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.36 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tm=3.5).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).