Pelagic fish Atlantic Ocean, the Gulf of Mexico and the Mediterranean Sea. The term highly migratory species (HMS) is a legal term which has its origins in Article 64 of the United Nations Convention on the Law of the Sea (UNCLOS). The highly migratory species include: tuna and tuna-like species (albacore, Atlantic bluefin, bigeye tuna, skipjack, yellowfin, blackfin, little tunny, Pacific bluefin, southern bluefin and bullet), pomfret, marlin, sailfish, swordfish, saury and oceangoing sharks, dolphins and other cetaceans. Essentially, highly migratory species coincide with the larger of the "large pelagic fish", discussed in the previous section, if cetaceans are added and some
USS Skipjack (SSN-585) preparation for a refueling overhaul at General Dynamics' Electric Boat Division. After conducting a few more exercises, "Skipjack" entered the shipyard for overhaul in the summer of 1974 and remained inactive until the fall of 1976. "History from 1976 to 1979 needed." "History from 1980 to 1986 needed." On August 16, 1980, 'Skipjack' was in port in Callao, Peru, along with another US Navy surface vessel. In 1986, "Skipjack" deployed on a "Northern Run" to the North Atlantic Ocean. In 1987 "Skipjack" deployed to the Mediterranean Sea, returning in early September and entering dry-dock for the September – November time