Threefin blenny Threefin blenny Threefin or triplefin blennies are blennioids, small perciform marine fish of the family Tripterygiidae. Found in tropical and temperate waters of the Atlantic, Pacific and Indian Oceans, the family contains about 150 species in 30 genera. The family name derives from the Greek "tripteros" meaning "with three wings". With an elongated, typical blenny form, threefin blennies differ from their relatives by having a dorsal fin separated into three parts (hence the name); the first two are spinous. The small, slender pelvic fins are located underneath the throat and possess a single spine; the large anal fin may have
USS Blenny (SS-324) engaged in evaluating new equipment. "Blenny" was reclassified an Auxiliary Submarine, AGSS-324, c. 1969. She was decommissioned, 7 November 1969 and laid up in the Reserve Fleet. "Blenny" was struck from the Naval Register, 15 August 1973. She was sunk to form part of an artificial reef about fifteen miles (24 km) off the coast of Ocean City, Maryland in June, 1989. "Blenny" received four battle stars for her World War II service and one battle star for Korean War service. USS Blenny (SS-324) USS "Blenny" (SS/AGSS-324), a submarine, was a ship of the United States Navy named for the