Crevalle Jack, Common Jack, Black-Tailed Trevally, Black Cavalli, Yellow Cavalli, Crevalle, Jackfish
Caranx hippos
Description:
Elongate and moderately compressed body that is anteriorly deep and robust; body tapers down to a forked tail. Back blueish-green to gold with a silver or yellowish belly. Prominent black spot on gill cover and on the base of each pectoral fin. . Blunt snout and a large forward-oriented mouth. Second doral and anal fins nearly identical in size with first rays greatly elongated Juveniles exhibit about 5 dark bars extending from the base of the dorsal fin and fading out near the belly
Average Maximum Size:
152 cm (60 in)
Adults Distinguishing Characteristics:
Adult Jack Crevalle can be distinguished from adult Bluefish by the presence of a dark marking at the edge of their operculum and by the more greatly forked shape of their caudal fin. The Jack Crevalle exhibits a dark marking on the lower rays of its pectoral fins in contrast to the base of the pectoral fin as with the Bluefish.
Juveniles Distinguishing Characteristics:
Juvenile Crevalle Jack can be distinguished from juvenile Bluefish by the presence of approximately 5 broad vertical dark bars on the sides of the body.
Range:
Western and Eastern Atlantic Ocean
Habitat:
Estuarine and marine inshore and offshore waters: known to access freshwater occassionally.