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) Night" from 15 September to 9 October. On 22 October, "Skipjack" returned to Norfolk, where she remained through January 1972. "Skipjack" spent most of 1972 in tests and type training out of Groton, CT and Norfolk, VA as well as the Caribbean. The submarine returned to Norfolk in late 1972. Toward the end of spring in 1973, "Skipjack" returned to the Mediterranean Sea and conducted several exercises with the Sixth Fleet. During that time "Skipjack" was home ported at La Maddalena on the NE corner of Sardinia. Returning to Norfolk in September "Skipjack" crossed paths with Hurricane Ellen during the