Crevalle jack

Crevalle jack
Source: flickriver.com

Crevalle jack, Caranx hippos, called Owere in Yoruba, is a fast swimming fish found in the Eastern Atlantic, from Portugal to Angola. Crevalle jack has a distinguishing black spot on the margin of the gill cover about level with its eye. Body color ranges from greenish to bluish or bluish-black above and silvery white to yellowish or golden below; in adults, a dusky blotch on pectoral fin which also has at the base, a large black spot. Maximum length is 124 cm with the maximum weight of 32 kg. This species form fast-moving schools, although larger fish may be solitary. Adults prey on a variety of fishes, shrimps, and invertebrates. Juveniles feed mainly on small fishes and crustaceans. They have been known to scavenge behind trash-dumping boats. Eggs are pelagic in this fish species.