"The EPA recommends that women consume no more than .1 microgram of mercury per day for each kilogram you weigh ([sorry I don't have the male figures but you'll have to estimate]),
which adds up to about 168 micrograms per month for a healthy 132 pound woman who is not prego or trying to conceive."
(a serving shall be 6 ounces)
FISH W/VERY LOW LEVELS OF MERCURYSalmon, tilapia (both w/1.68 micrograms/serving)
Trout, haddock (both w/5.04 micrograms/serving)
FISH W/LOW LEVELS OF MERCURYAnchovies (6.72/serving)
Catfish, scallops, shrimp, flounder (8.4/serving)
Crab (10.08/serving)
Cod (18.48)
Light canned tuna (20.16)
FISH W/MODERATELY LOW LEVELS OF MERCURYSkate (23.52)
Snapper (31.92)
Oysters (42)
Lobster (52.08
FISH W/MODERATE LEVELS OF MERCURYHalibut (43.68)
Bass (45.36)
White canned tuna - albacore (58.

Tuna - fresh/frozen (63.84)
FISH W/MODERATELY HIGH LEVELS OF MERCURYOrange Roughy (90.72)
Grouper (92.4)
FISH W/HIGH LEVELS OF MERCURYKing Mackeral (122.64)
Swordfish (162.96)
Shark (166.32)
Tilefish (243.6)