Fish and Shellfish With Low Levels of Mercury
SPECIES MEAN (PPM) RANGE (PPM)
Tuna (canned) 0.118 ND - 0.852
Pollock 0.041 ND - 0.78
Trout Seawater 0.256 ND - 0.744
Sablefish 0.220 ND - 0.700
Trout Freshwater 0.072 ND - 0.678
Crab
(Blue, King, and Snow)
0.060 ND- 0.610
Cod 0.095 ND - 0.420
Squid 0.070 ND - 0.400
Anchovies 0.043 ND - 0.340
Catfish 0.049 ND - 0.314
Carp 0.14 0.01 - 0.27
Oysters 0.013 ND - 0.250
Scallop 0.050 ND - 0.22
Salmon (Fresh or frozen) 0.014 ND - 0.190
Herring 0.044 ND - 0.135
Tilapia 0.010 ND - 0.070
Crawfish 0.033 ND - 0.051
Clam ND ND
Shrimp ND ND
Salmon (Canned) ND ND
Clam ND ND
PPM=parts per million
ND=Not detectable  - mercury concentration below detection level
(Level of Detection (LOD)=0.01ppm)