Pomacentrus nigromarginatus Allen 1973

Description: Head and body grey, posterior and adjacent fins yellow, caudal fin margin black, pectoral-fin base spot black. Caudal fin often with thin black posterior margin (Ref. 48636).

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).

Dorsal spines (total): 13; Dorsal soft rays (total): 14 - 15; Analspines: 2; Analsoft rays: 14 - 15

Adults occur in outer reef slopes of coral reefs, usually around rocky outcrops in sandy areas. Also along deep walls with caves to 50 m depth (Ref. 48636). Feed on zooplankton and algae. Diurnal species (Ref. 54980; 113699).

Adults occur in outer reef slopes of coral reefs, usually around rocky outcrops in sandy areas. Also along deep walls with caves to 50 m depth (Ref. 48636). Feed on zooplankton and algae. 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). Diurnal species (Ref. 54980; 113699).