bone under eye: fused to cheek, its edge covered by scales
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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.
Head golden brown; body grey with 4-5 relatively narrow whitish bars; most of body scales with narrow dark outline; narrow blackish bar or wedge-shaped mark on pectoral-fin base; lips whitish
Maximum size to 19 cm.
Inhabits rocky inshore reefs exposed to wave action.
Depth: 0-5 m.
El Salvador to Peru, including the Galapagos, Cocos and Malpelo.
