Also known as Atlantic Carangids, Bumper, Goggle-eye, Little Bumper, Pacific Bumper, Plateau, Rooter, Spanish Mackerel, Trevallies, Yellowtail, Yellowtail Bumper.
Found singly over soft bottoms or in schools near the surface of coastal estuaries and lagoons, also in the open of the continental shelf.
They feed on detritus, small fish, molluscs, zooplankton.
Juveniles in brackish waters of estuaries often in the tentacles of jellyfish for protection.
Length - 25cm
Depth - 0-110m
Widespread Eastern Atlantic, Western Atlantic, Caribbean
Jacks are fast swimming fish that can roam over great distances. The larger fish hunt other fish and the smaller fish eat zooplankton. In turn they are hunted by large Tuna and Dolphins.