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| Common names: sergeant-major (English), pintaño (Espanol), petaca (Espanol) |
Abudefduf troschelii (Gill, 1862)
Body relatively deep, oval, compressed; 1 pair of nostrils; bone under eye and preopercle both with smooth edges; mouth small, protrusible; teeth in single row, with notched or flat tips; gill rakers 23-33; a single continuous dorsal fin, XIII, 12-13; anal rays II, 10-13; pectoral rays 16-20; 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; inner base of pectoral fin with a patch of scales; lateral line incomplete, ends under end of dorsal fin base; lateral-line scales 19-23.
Whitish or pale silvery green with 5 black bars on side and additional, less distinct, bar across caudal peduncle; back usually bright yellow.
Size: grows to 23 cm.
Habitat: occurs along rocky shores.
Depth: 0-15 m.
Southern California to the Gulf of California to central Peru, including all the offshore islands.