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
HMS Skipjack (1889) Squadron in 1907. In 1909 she was converted to a minesweeper, a conversion that resulted in her torpedo tubes being removed. On 8 October 1910 "Skipjack" arrested the French trawler "G599", which had been caught fishing within British territorial waters in the Thames estuary. The skipper of the trawler was fined five guineas for the offence. In January 1911 "Skipjack" completed a refit at Chatham and returned to fishery protection duties in the North Sea. On the outbreak of the First World War "Skipjack" joined the newly established Grand Fleet at Scapa Flow in the Orkneys. In August 1914, the