Skipjack tuna commercial tunas, and its population is considered sustainable against its current consumption. Its fishing is still controversial due to the methodology, with rod and reel or fishery options being promoted as ecologically preferable. Purse seine methods are considered unsustainable by some authorities due to excess bycatch, although bycatch is said to be much reduced if fish aggregation devices are not used. These considerations have led to the availability of canned skipjack marked with the fishing method used to catch it. Skipjack is considered to have "moderate" mercury contamination. As a result, pregnant women are advised against eating large quantities. In
USS Skipjack (SS-184) and overhaul. After returning to Pearl Harbor, "Skipjack" got underway for her tenth and final war patrol, conducted in the Kuril Islands area. During this patrol, she damaged an enemy auxiliary and attacked a Japanese destroyer without success. On 11 December, she returned to Midway Island and then continued on to Ulithi. She then sailed to Pearl Harbor for refit; and got underway on 1 June 1945 for New London, Connecticut, and duty training submarine school students. "Skipjack" was later sunk as a target vessel in the second atomic bomb test at Bikini Atoll in July 1946 and was later