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
HMS Skipjack (1889) Squadron in 1907. In 1909 she was converted to a minesweeper, a conversion that resulted in her torpedo tubes being removed. On 8 October 1910 "Skipjack" arrested the French trawler "G599", which had been caught fishing within British territorial waters in the Thames estuary. The skipper of the trawler was fined five guineas for the offence. In January 1911 "Skipjack" completed a refit at Chatham and returned to fishery protection duties in the North Sea. On the outbreak of the First World War "Skipjack" joined the newly established Grand Fleet at Scapa Flow in the Orkneys. In August 1914, the