Yellowfin tuna, also known as Thunnus albacares, is a species of fish found in tropical and subtropical waters around the world. It is a highly migratory species that is known for its streamlined body, which is dark metallic blue on the back and upper sides and yellow on the lower sides and belly. Yellowfin tuna can grow up to 2.4 meters (8 feet) in length and weigh up to 200 kilograms (440 pounds). They are a popular game fish and are also commercially important for their meat, which is often used for sushi and other dishes. today on board the Big Eye II, captain Franklin and his first mate Alex caught 15 yellowfin around 40 to 65 pounds, great catch today clients reel fish all day. check our calendar and have experience with us.