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) 26 June 1897 "Skipjack" was present at the Jubilee Fleet Review at Spithead, In 1898 "Skipjack" was sent to Palmers of Jarrow for refit. "Skipjack" had her locomotive boilers replaced by Reed water-tube boilers in early 1900, which increased power and reliability. "Skipjack"s new machinery delivered over giving a speed of . "Skipjack" took part in the Royal Navy's annual manoeuvres in July–August 1900, and again in 1901. In January 1901 she was a tender to the cruiser in Kingstown. In 1905 "Skipjack" was in reserve, but after refit, she returned to active service as part of the Fishery Protection