Small fish good
As a rule small fish contain less mercury and larger fish contain more.
Do not eat shark, king mackerel, tilefish. Eat up to
12 onces (2 average meals) a week of fish or shellfish lower in mercury. Good low mercury fish are: shrimp, canned light tuna, salmon, pollock, catfish, .
Check local advisories (department of fish and wildlife) for mercury load in your area.