The whalers harvested 506 southern minke whales and one finback whale. In 1975, a finback whale beached itself in Groton. The finback catsharks are a small family, the Proscylliidae, of ground sharks. Their schooner, the "Finback", grounded at Cape Fullerton and was lost. But the schooner, the "Finback", grounded at Cape Fullerton and was lost. On 11 August, "Finback" damaged the auxiliary minelayer "Tatsumiya Maru" (6343 tons). Paleontologist Robert Bakker has dubbed "Secodontosaurus" the "fox-faced finback" after its long jaws. "Finback" returned to Pearl Harbor 20 November. Another merchant vessel was sunk by "Finback" four days later. "Finback" (SS-230) was laid down 5 February 1941 by Portsmouth Navy Yard. The genus Proscyllium is a small genus of finback catsharks in the family Proscylliidae. Departing Pearl Harbor 23 September 1942, "Finback" made her second war patrol off Taiwan. "Finback" put into Pearl Harbor for refit. "Finback" was stricken on 1 September 1958, and sold for scrap 15 July 1959. One was picked up by the American submarine USS "Finback".