Skipjack have thick silver bodies with a dark back, dark horizontal black stripes, and bright purple finlets (when alive).
They live in open-ocean, blue water in large schools throughout all tropical waters of the world.  They are one of the most numerous members of the tuna family.  They are often eaten by larger pelagic fish such as marlin and large tuna.
They are caught by trolling lures and baits. Â Smaller baits will target these hard fighting fish. Â Often the skipjack schools with other types of tuna, like blackfin and yellowfin.