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.