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
Skipjack (boat) As typical in regional practice the bow features a curving longhead under the bowsprit, with carved and painted trailboards. A small figurehead is common. A typical skipjack is 40 to 50 feet in length. The boats use direct link Edson worm steering gear mounted immediately forward of the transom. The dredge windlass and its motor are mounted amidships, between the mast and deckhouse. Rollers and bumpers are mounted on either side of the boat to guide the dredge line and protect the hull. Due to state laws, the boat has no motor (other than for the windlass). Most skipjacks were