| Common names: night-sergeant (English), petaca (Espanol), pintaño (Espanol) |
Abudefduf declivifrons (Gill, 1862)
Body relatively deep, oblong, compressed; 1 pair of nostrils; suborbital bone under eye usually not fused to cheek, its lower edge free, although sometimes partly joined to cheek and its lower border partly covered with scales; preopercle with smooth edge; mouth small, protrusible; teeth in single row, with notched or flat tips; gill rakers 19-23; a single continuous dorsal fin, XIII, 12-13; anal rays II, 10; pectoral rays 19; 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 20-21.
Grey with 4-5 narrow whitish bars; most body scales with dark borders; narrow blackish bar or blackish wedge-shaped blotch on base of pectoral.
Size: reaches 18 cm.
Habitat: lives on rocky reefs exposed to wave action.
Depth: 0- 5 m.
Lower Baja and the central Gulf of California to Costa Rica; the Revillagigedos.
Has been considered a synonym of A. concolor, but a recent molecular study of Lessios et al 1995 (Copeia 1995: 277-288) confirmed that it is a separate species.
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