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-class submarine Skipjack-class submarine The "Skipjack" class was a class of United States Navy nuclear submarines (SSNs) that entered service in 1959-61. This class was named after its lead boat, . The new class introduced the teardrop hull and the S5W reactor to U.S. nuclear submarines. The "Skipjack"s were the fastest U.S. nuclear submarines until the s, the first of which entered service in 1974. The "Skipjack"s' design was based on the USS "Albacore"'s high-speed hull design. The hull and innovative internal arrangement were similar to the diesel-powered "Barbel" class that were built concurrently. The design of the "Skipjack"s was very different