Also known as Bahamas Runner, Blackjack, Blue Runner, Blue-stripped Cavalla, Crevalle, Crevalle Jack, Greenback, Neverbite, Passing Jack, Pointnose, Rainbow Crevalle, Red Jack, Reef Runner, Runner, Skipjack, Trevally.
Found singly or in small to large schools, over clear water, coastal coral reefs.
They feed on crustaceans, fish and invertebrates.
Juveniles found in seagrass beds.
Length - 50cm
Depth - 0-35m
Widespread 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. Ref: https://www.fishbase.se/summary/1918