Amblyglyphidodon leucogaster (Bleeker, 1847)
Yellowbelly damselfish
photo by Field, R.

Family:  Pomacentridae (Damselfishes), subfamily: Pomacentrinae
Max. size:  14.4 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 45 m, non-migratory
Distribution:  Indo-West Pacific: from the Eastern Indian Ocean; north to Ryukyu Is.; south to Indonesia, including Western Australia up to the Caroline and Marshall Is.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 12-13; Anal spines: 2-2; Anal soft rays: 12-14. This species is distinguished by the following characters: D XII-XIII,12-13 (usually XIII,12); A II,12-14 (often II,13); pectoral rays 16-17; lateral line tubed scales 14-17; gill rakers total, 25-29; body depth is 1.5-1.8 in SL; colouration, silvery grey with paler scale centers and yellow belly, the anterior half of anal fin and anterior margin of soft dorsal fin and the upper and lower margins of caudal fin is blackish; upper pectoral fin base with a distinct wedge-shaped black mark (Ref. 82240).
Biology:  Adults inhabit lagoons, reef passages, and the outer reef slopes as solitary individuals or in small groups. Feed on copepods, amphipods, mysids, fish eggs, crustacean larvae, and a small portion of algae (Ref. 7247). 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: 16 November 2010 Ref. (130435)
Threat to humans:  harmless


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