How much mercury do crab legs contain?

Crab legs generally contain low levels of Mercury compared to larger fish species. The amount of mercury can vary depending on the species and the waters they inhabit, but typically, crab legs have mercury concentrations below the FDA's action limit of 0.5 parts per million (ppm). Consuming crab legs in moderation is considered safe for most people, but it's advisable to be cautious for pregnant women and young children. Always check local advisories for specific seafood from certain regions.