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
Helen Virginia (Skipjack boat) of Crisfield, MD, Helen Virginia sailed out of Deal Island, dredging oysters under Capt. Carroll Bozman and later, Capt. Jack Parkinson. She has a beam of and an overall length of . A 1987 entry in the Maryland State Archives notes that ""Helen Virginia" is a 43.2' long two-sail bateau, or v-bottomed deadrise type of centerboard sloop, commonly referred to as a skipjack... She carries a typical skipjack rig of jib-headed mainsail and a single large jib with a club on its foot. Built in 1948 in Crisfield, Maryland following traditional Bay design and construction methods, "Helen Virginia" is significant