USS Unicorn (SS-436), a World War II Tench-class submarine, was the second submarine of the United States Navy to be given that name for the narwhal, an Arctic marine cetacean with a single tusk suggesting the horn of a unicorn and sometimes called the "sea unicorn." Like the first USS Unicorn (SS-429), she was not completed.
USS Lancetfish (SS-296), a Balao-class submarine, was the only ship of the United States Navy to be named for the lancetfish, a large voracious, deep sea fish having long lancetlike teeth and a high long dorsal fin.
USS Ulua (SS-428), a Balao-class submarine, was the only ship of the United States Navy named for the ulua, an important food fish of the tropical Pacific Ocean. She was never completed.
USS Runner (SS/AGSS-476), a Tench-class submarine, was the second ship of the United States Navy to be named for the runner, an amberfish inhabiting subtropical waters.
USS Turbot (SS-427), a Balao-class submarine, was the second ship of the United States Navy to be named for the turbot, a large, brown and white flatfish, valued as a food.
USS Cochino (SS-345) was a Balao-class submarine in service with the United States Navy from 1945 to 1949. She sank after a battery explosion off Norway on 26 August 1949.
USS Cisco (SS-290), a Balao-class submarine, was the only ship of the United States Navy to be named for the cisco, a whitefish of the Great Lakes. Her keel was laid down by the Portsmouth Navy Yard in Kittery, Maine. She was launched on 24 December 1942 sponsored by Mrs. A. C. Bennett, through her proxy, Mrs. N. Robertson, and commissioned on 10 May 1943 with Commander James W. Coe in command. She reported to the Pacific Fleet.
USS Conger (SS/AGSS-477), a Tench-class submarine, was the only ship of the United States Navy to be named for the conger, an eel found in warm seas at moderate depths, common to both coasts of the Atlantic Ocean.
USS Corsair (SS-435), a Tench-class submarine, was the second ship of the United States Navy to be named for the California rockfish, or a pirate or privateer, especially Turkish or Saracen.
USS Pomodon (SS-486), a Tench-class submarine, was the only ship of the United States Navy to be named for the Pomodon genera of snapper.
USS Quillback (SS-424), a Tench-class submarine, was the only ship of the United States Navy to be named for quillback, a fish of the sucker family, widespread in the freshwaters of North America and Northern Asia.
USS Cabrilla (SS/AGSS-288), a Balao-class submarine, was a ship of the United States Navy named for the cabrilla, an edible fish inhabiting the Mediterranean Sea and waters off the coast of California.
USS Manta (SS/ESS/AGSS-299), a Balao-class submarine, was the first submarine and second ship of the United States Navy to be named for the manta.
USS Sabalo (SS-302), a Balao-class submarine, was the first submarine and second ship of the United States Navy to be named sabalo, another name for the Atlantic tarpon, a large, silvery game fish of the herring group, found in the warmer parts of the Western Atlantic.
USS Becuna (SS/AGSS-319), a Balao-class submarine, is a former ship of the United States Navy named for the becuna, a pike-like fish of Europe. She was designated a National Historic Landmark for her service in World War II, for which she earned four battle stars. She presently serves as a museum ship at the Independence Seaport Museum in Philadelphia, Pennsylvania.
USS Besugo (SS/AGSS-321), a Balao-class submarine, was a ship of the United States Navy named for the besugo.
USS Cabezon (SS-334) was a Balao-class submarine of the United States Navy, named for the cabezon, a saltwater fish of sculpin family inhabiting the North Atlantic and North Pacific Oceans.
USS Capitaine (SS/AGSS-336), a Balao-class submarine, was a ship of the United States Navy named for the capitaine, a brilliantly colored fish inhabiting waters of the Atlantic Ocean from North Carolina to Panama.
USS Cubera (SS-347), a Balao-class submarine, was a ship of the United States Navy named for the cubera, a large fish of the snapper family found in the West Indies.
USS Mapiro (SS-376), a Balao-class submarine, was a ship of the United States Navy named for the mapiro, a fish of the Gobioidea suborder occurring off the West Indies and the Atlantic coasts of Central America and Mexico.
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