Indian Ocean

Skipjack Tuna (Katsuwonus pelamis), also known as Ocean Bonito, Lesser Tuna, Aku, Katsuo; weight – more than 32 kg (70 lb); length – up to nearly 1.4 m (4 ft); lifespan – 8 to 12 years. Skipjack Tuna have a short life span compared to other temperate tunas. They are opportunistic feeders, preying on a variety of fish, crustaceans, cephalopods, mollusks, and sometimes other Skipjack Tunas. Image courtesy of NOAA.