Abudefduf bengalensis (Bloch, 1787)
Bengal sergeant
Abudefduf bengalensis
photo by Eric Keung@114°E Hong Kong Reef Fish Survey

Family:  Pomacentridae (Damselfishes), subfamily: Glyphisodontinae
Max. size:  17 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 6 m, non-migratory
Distribution:  Western Pacific: eastern Indian Ocean to Japan and Australia (Ref. 559). Not in Red Sea (Ref. 84159).
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 13-15; Anal spines: 2-2; Anal soft rays: 13-14. Description: Head and body white, vertical bars thin dark. Dorsal and anal fins rear profile pointed (Ref. 90102). Large adults recognized by the rounded tail with pale margin. Has narrow dark bands and lacks peduncular spot that distinguishes this species form similar ones (Ref. 48636). Body depth 1.6-2.0 in SL.
Biology:  Adults occur singly or in small groups in inshore reef and lagoon environments. Feed on algae, gastropods, and small crabs. Highly territorial (Ref. 9710). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 November 2010 Ref. (126983)
Threat to humans:  harmless

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