Actinopteri (ray-finned fishes) > Stomiiformes
(Lightfishes and dragonfishes) > Gonostomatidae
Etymology: Cyclothone: Greek, kyklothen, in circle, around (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 500 - 1400 m (Ref. 104125). Deep-water; 47°N - 30°N, 6°W - 36°E
Mediterranean Sea endemic.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 3 - 3.5 cm
Max length : 2.0 cm SL male/unsexed; (Ref. 4769); 2.9 cm SL (female)
Precise depth range dependent upon developmental stage and season. Presumed dioecious, spawns during spring to autumn (Ref. 4769).
Probably dioecious (Ref. 4769).
Badcock, J., 1984. Gonostomatidae. p. 284-301. 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. 4769)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 13.1 - 14, mean 13.7 °C (based on 87 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00143 - 0.00924), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.45 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=200).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .