A Guide to Guilt-Free Fish

These fish can be eaten once a week by adults, according to an assessment of contaminant levels by Environmental Defense. Those marked with an asterisk can be eaten more than once a week.

WILD

*ANCHOVIES
ARCTIC CHAR, color added
*ATLANTIC BUTTERFISH
*BLACK COD (Sable, Butterfish on West Coast)
*BLACK SEA BASS Younger children no more than four times a month
*HADDOCK
*HAKE (white, silver and red)
HAKE (Chilean, Cape and Argentine)
*HALIBUT (Pacific only) Older children 3 times a month, younger children twice
*HERRING
*MACKEREL (Atlantic or Boston only)
MAHI-MAHI Younger children 3 times a month
*PACIFIC COD
*PACIFIC SAND DAB (yellowtail flounder)
*PACIFIC WHITING
*PLAICE
PORGIES
*SALMON (Pacific)
*SARDINES
*SHAD
SMELT
*SOLE (gray, petrale, rex, yellowfin)
SOLE (Dover; English or lemon, older children 3 times a month, younger children twice)
WHITEFISH

FARMED

CARP
CATFISH (domestic)
STRIPED BASS (rockfish)
*TILAPIA
*TROUT (rainbow); TROUT (steelhead)

SHELLFISH

*CLAMS (northern quahogs)
CLAMS (Atlantic surf, butter, Manila, ocean quahog, Pacific geoduck, Pacific littleneck and soft-shell)
*CRAB (Dungeness, snow) Dungeness: younger children once a week
CRAB (Florida stone, Jonah, king)
*CRAYFISH (United States)
*LOBSTER (American) Children 2 to 4 times a month
*MUSSELS (farmed blue; wild blue, children 2 to 3 times a month)
MUSSELS (New Zealand green, Mediterranean)
OYSTERS (farmed Eastern and Pacific)
*SCALLOPS (bay; Northeast, Canadian sea)
*SHRIMP (wild American pink, white, brown)
SHRIMP (spot prawns and northern shrimp)
*SQUID
*SPINY LOBSTER (Caribbean, United States, and Australia)