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
Skipjack shad species, none were found. In addition to the extirpation of the skipjack shad from Minnesota and Wisconsin, the ebony shell ("Fusconaia ebena") and elephant ear ("Elliptio crassidens"), both state endangered mussels for which the skipjack is the sole host during their larval stages, are threatened to be extirpated as well. In order to keep their distribution from shrinking further, humans need to decrease the number of dams that are constructed, or construct dams that skipjack shads are able to migrate through. In addition to hindering their migration, dams reduce flow. Skipjacks prefer areas with fast flowing water. In addition, it