Skipjack tuna addition, skipjack's livers were tested globally for tributyltin contamination. TBT is an organotin compound introduced into marine ecosystems through antifouling paint used on ship hulls, and has been determined to be very toxic. About 90% of skipjack tested positive for contamination, especially in Southeast Asia, where regulations of TBT use are less rigorous than in Europe or the US. Skipjack tuna is used extensively in Japanese cuisine, where it is known as . Besides being eaten seared () and raw in sushi and sashimi, it is also smoked and dried to make katsuobushi, the central ingredient in dashi (a common
HMS Skipjack (1889) a minefield laid by the German submarine "UC-68" in the approaches to the Clyde which was holding up shipping from the Clyde and Liverpool. "Skipjack" was a member of the Second Fleet Sweeping Flotilla, based at Scapa Flow as part of the Grand Fleet, in July 1917. In 1918 she was a member of the 13th Fast Minesweeper Flotilla at Oban . "Skipjack" was sold for scrap to Hammond Land Foundry of Dublin on 23 February 1920. HMS Skipjack (1889) HMS "Skipjack" was a of the British Royal Navy. She was built at Chatham Dockyard from 1888–1891. She was converted