| http://www.w3.org/ns/prov#value | - Fish at the top of the aquatic food chain (e.g. freshwater fishes largemouth bass, freshwater drum, gar, pike, and walleye and marine fishes such as king mackerel, shark, and swordfish) may contain methyl mercury levels 1 to 10 million times greater than those found in the surrounding water.
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