A few fish, such as clams and anchovies, ­appear to be low ... EPA's "safe" consumption limit for mercury by eating just 4 ounces of albacore tuna per week. A 48-pound child would exceed the ...

In most cases, fresh is best when it comes to choosing oil-rich fish ... salted; tuna and mackerel are both sold canned too. Herrings can be smoked or transformed into rollmops; anchovies are ...