Cyclothone acclinidens Garman, 1899
Benttooth bristlemouth
Cyclothone acclinidens
photo by Welter-Schultes, F.

Family:  Gonostomatidae (Bristlemouths)
Max. size:  6.3 cm SL (male/unsexed); 6.5 cm SL (female)
Environment:  bathypelagic; marine; depth range 0 - 4416 m, oceanodromous
Distribution:  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).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 13-15; Anal spines: 0-0; Anal soft rays: 18-20; Vertebrae: 30-32. Light to dark brown or grey-brown in color (Ref. 3991). Branchiostegal rays: 13-15 (Ref. 35800).
Biology:  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).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 July 2014 Ref. (130435)
Threat to humans:  harmless


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