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
USS Skipjack (SSN-585) reduced her speed noticeably. During her shakedown cruise in August 1959, she became the first nuclear ship to pass through the Straits of Gibraltar and operate in the Mediterranean. Following post-shakedown availability at Groton, Connecticut, the nuclear submarine conducted type training and participated in an advanced Atlantic submarine exercise from May through July 1960, which earned the submarine a Navy Unit Commendation, and also a Battle Efficiency "E" award, an award it would receive three more times. In late 1960, "Skipjack" entered the mouth of a long ship channel leading from the Arctic Ocean to Murmansk in the Soviet Union.