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Updated: 06/12/2008  

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Perciformes  -  Carangidae  -  Caranx  -  Caranx melampygus

Caranx melampygus

All Families(148) All Genera(504) All Species(1287)
deep, oblong

head angular
blue + black dots
D, A & C: blue



Caranx melampygus Cuvier in Cuvier & Valenciennes, 1833

Bluefin trevally,     Bluefin crevalle-jack

Body deep, compressed; head profile angular; adipose eyelid not well developed; top jaw with an outer row of canines and an inner band of fine teeth; lower jaw with one row of teeth; gill rakers (excluding rudiments) 5-9 + 17-21; margin of body at rear of gill chamber without papillae; pectoral fins longer than head; dorsal rays VIII + I, 21-24; anal rays II + I, 17-20; dorsal and anal fin with long front lobes; dorsal and anal fins not followed by finlets; lateral line with a pronounced anterior arch, straight part with 27-42 strong scutes; breast completely scaled.

Head and dorsal half of body brassy, suffused with blue and covered with small blue-black spots (forming at about 20 cm length and increasing in number with size); second dorsal, anal, and caudal fins electric blue; pectoral fins of juveniles yellow.

Maximum size to 100 cm; at least 10.8 kg.

Habitat: solitary or in small schools near reefs. Juveniles sometimes in estuaries.

Depth: 0-230 m.

Indo-Pacific from East Africa to the Americas; the tip of Baja and the mouth of the Gulf of California; Costa Rica to Ecuador and the offshore islands.

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