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| Common names: beak-fish (English), knife-jaw (English), loro (Espanol), perico (Espanol) |
Oplegnathus insignis (Kner, 1867)
Pacific beak-fish, Pacific knife-jaw
Body deep, compressed; mouth small; jaw teeth fused into parrot-like beak, with a median suture in each jaw; gill rakers 17; margin of preopercle finely serrate; one continuous dorsal fin, XI, 17, spiny part lower than soft part in adults, as high as soft part in juvenile; soft dorsal and anal high, triangular; anal fin III, 12-13; tail with straight edge; very small scales about 115- 130 in midlateral series; lateral line strongly arched.
Black with profuse white spotting, the spots frequently joined to form irregular maze pattern; lower jaw, breast, and belly white; small juveniles pale with six dark bars.
Size: grows to 61 cm.
Inhabits rocky reefs.
Depth: 3-30 m.
Galapagos and Peru to Chile.