Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 0 - 4416 m (Ref. 58018), usually 300 - 1500 m (Ref. 58302). Deep-water; 80°N - 67°S, 180°W - 180°E
Atlantic, Indian and Pacific: in tropical and subtropical waters. Southern Ocean: a single specimen recorded near Bouvet Island (56°30'S, 14°29'E). Eastern Pacific: California Current region (Ref. 35800). South China Sea (Ref.74511).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.3 cm SL hane/ej könsbestämd; (Ref. 59089); 6.5 cm SL (female)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 13 - 15; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 18 - 20; Ryggkotor: 30 - 32. Light to dark brown or grey-brown in color (Ref. 3991). Branchiostegal rays: 13-15 (Ref. 35800).
Body shape (shape guide): elongated.
Oceanic, deep-mesopelagic (Ref. 4769, 58302) and bathypelagic (Ref. 58302). Usually vertically oriented during the day (Ref. 4769). Nocturnal feeder (Ref. 9186) on copepods (Ref. 4769). Oviparous, with planktonic eggs and larvae (Ref. 35800).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 12.3, mean 5.5 °C (based on 3390 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00160 - 0.00625), b=2.94 (2.77 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.53 se; based on food items.
Generation time: 1.3 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.8, Fecundity assumed < 1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).