> Stomiiformes (Lightfishes and dragonfishes) > Gonostomatidae (Bristlemouths)
Etymology: Cyclothone:Greek, kyklothen, in circle, around (Ref. 45335); microdon:microdon meaning small toothed (Ref. 6885). More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海浮遊性; 深さの範囲 200 - 5301 m (Ref. 58426), usually 500 - 2700 m (Ref. 82363). Deep-water; 67°N - 45°S, 180°W - 180°E
Widely distributed in all Atlantic, tropical and austral Indian and Pacific Oceans (Ref. 4463). Southern Ocean: probably circum-Antarctic between the Antarctic Polar Front and the Antarctic continental shelf (Ref. 5162).
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm3.3, range 3 - 3.5 cm Max length : 7.6 cm TL オス/雌雄の選別がない; (Ref. 4925)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 13 - 15; 肛門の骨: 0; 臀鰭: 17 - 20. Brown to brown-black in color; dense stellate pigment over head, body and fins (Ref. 3991).
An oceanic, deep mesopelagic to bathypelagic species (Ref. 4769). Precise depth range dependent upon developmental stage, latitude, season (Ref. 4769). Doest not exhibit diel vertical migrations (Ref. 4769). A non-seasonal breeder with no recognizable age-cohorts (Ref. 82363). Feeds mainly on copepods (Ref. 4769).
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Gonostomatidae. p. 283-292. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4463)