RIP, Charlie the Tuna

Taken from the Greenpeace website regarding limiting the consumption of seafood due to elevated mercury levels:

Fish Consumption Advisories

These advisories are intended for women of childbearing age and small children.

Developing fetuses and small children are especially susceptible to health impairment from elevated mercury levels.

However, if other people wish to reduce their exposure to mercury, they should also generally adhere to these advisories and also work to reduce mercury pollution at the source.

Fish that are low in mercury and can be eaten in moderation:

Abalone (farmed), Anchovies, Butterfish, Calamari (squid), Catfish, Caviar (farmed), Clams, Crab (king), Crawfish/crayfish, Flounder, Haddock, Hake, Herring, Lobster (spiny/rock), Mackerel (Atlantic), Mussels (farmed), Oysters, Perch (ocean), Pollock, Salmon (wild), Sardines, Scallops, Shad, Shrimp, Sole, Sturgeon (farmed),Tilapia, Trout, Whitefish

Eat sparingly (less than six 6 oz servings a month):

Carp, Cod, Crab (dungeness), Crab (blue), Crab (snow), Mahi Mahi, Monkfish, Perch (freshwater), Skate, Snapper, Tuna (canned, chunk light)

Avoid (less than three 6 oz servings a month):

Bluefish, Croaker, Halibut, Lobster (American/Maine), Rockfish, Sea Bass, Sea Trout (Weakfish), Tuna (canned, white albacore), Tuna (fresh)

Do not eat:

Grouper, Mackerel (king), Marlin, Orange Roughy, Shark, Swordfish, Tilefish

Sources used for this recommendation:

Natural Resources Defense Council,
Mercury Policy Project, the Environmental Protection Agency and the Food and Drug Administration