Skipjack tuna Skipjack tuna The skipjack tuna ("Katsuwonus pelamis") is a medium-sized perciform fish in the tuna family, Scombridae. It is otherwise known as the aku, arctic bonito, mushmouth, oceanic bonito, striped tuna, or victor fish. It grows up to 1 m (3 ft) in length. It is a cosmopolitan pelagic fish found in tropical and warm-temperate waters. It is a very important species for fisheries. It is a streamlined, fast-swimming pelagic fish, common in tropical waters throughout the world, where it inhabits surface waters in large shoals (up to 50,000 fish), feeding on fish, crustaceans, cephalopods, and molluscs. It is an
Skipjack shad bars. Spawning temperature range is between . Eggs are broadcast over the substrate. Skipjack shad young may reach total lengths of during their first year. The maximum length in adults is 20 inches, but they are most commonly found to be between . The oldest specimen of skipjack shad reported was four years old. High population rates and the fact that there it has little to no interest to fisheries tells us that humans do not have much influence on life history. Impoundments have changed their distribution slightly, but they have no trouble spawning as a result. Human impacts on