Species: Abudefduf concolor, Pacific night-sergeant

Abudefduf concolor (Gill, 1862)

Pacific night-sergeant

Body relatively deep, oblong, compressed; 1 pair of nostrils; suborbital bone under eye fused to cheek, its lower border completely covered with scales; preopercle with smooth edge; mouth small, protrusible; teeth in single row, with notched or flat tips; gill rakers 20-25; a single continuous dorsal fin, XIII, 12-13; anal rays II, 10; pectoral rays 18-20; no projecting short spines at upper and lower base of tail fin; caudal fin forked; scales are moderately large and rough; body scaled, head largely scaled, as are the basal parts of the median fins; lateral line incomplete, ends under end of dorsal fin base; lateral-line scales 19-21.