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 (SSN-585) been to St. Croix and some of the return trip was conducted on the surface. From March thru June, "Skipjack" provided bridge training to students at the Submarine Officer Basic School in Groton, mostly running up and down the river. During one trip out of the sound the anchor got stuck. Divers were called out from Groton to cut the anchor chain and retrieve the anchor. "Skipjack" entered dry-dock for the third time in three years to have the anchor fixed, at a cost of about $75K. "Skipjack" left Groton in early July to transit to Norfolk. After arrival "Skipjack"