Common names from other countries
Teleostei (teleosts) >
Stomiiformes (Lightfishes and dragonfishes) >
Gonostomatidae (Bristlemouths)
Etymology: Cyclothone: Greek, kyklothen, in circle, around (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 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 / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL male/unsexed; (Ref. 28981); 5.8 cm SL (female)
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 | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Estimates based on models
Preferred temperature (Ref.
115969): 4 - 13.5, mean 7.9 (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).
Trophic level (Ref.
69278): 3.1 ±0.28 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec<2000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).