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Table 1. Fish and Shellfish With Highest Levels of Mercury
| SPECIES |
MERCURY CONCENTRATION (PPM) |
NO. OF SAMPLES |
SOURCE OF DATA |
| MEAN |
MEDIAN |
MIN |
MAX |
| MACKEREL KING |
0.73 |
NA |
0.23 |
1.67 |
213 |
GULF OF MEXICO REPORT 2000 |
| SHARK |
0.99 |
0.83 |
ND |
4.54 |
351 |
FDA SURVEY 1990-02 |
| SWORDFISH |
0.97 |
0.86 |
0.10 |
3.22 |
605 |
FDA SURVEY 1990-02 |
| TILEFISH (Gulf of Mexico) |
1.45 |
NA |
0.65 |
3.73 |
60 |
NMFS REPORT 1978 |
Table 2. Fish and Shellfish With Lower Levels of Mercury
| SPECIES |
MERCURY CONCENTRATION (PPM) |
NO. OF SAMPLES |
SOURCE OF DATA |
| MEAN |
MEDIAN |
MIN |
MAX |
| ANCHOVIES |
0.04 |
NA |
ND |
0.34 |
40 |
NMFS REPORT 1978 |
| BUTTERFISH |
0.06 |
NA |
ND |
0.36 |
89 |
NMFS REPORT 1978 |
| CATFISH |
0.05 |
ND |
ND |
0.31 |
22 |
FDA SURVEY 1990-02 |
| CLAMS |
ND |
ND |
ND |
ND |
6 |
FDA SURVEY 1990-02 |
| COD |
0.11 |
0.10 |
ND |
0.42 |
20 |
FDA SURVEY 1990-03 |
| CRAB 3 |
0.06 |
ND |
ND |
0.61 |
59 |
FDA SURVEY 1990-02 |
| CRAWFISH |
0.03 |
0.03 |
ND |
0.05 |
21 |
FDA SURVEY 2002-03 |
| CROAKER (Atlantic) |
0.05 |
0.05 |
0.01 |
0.10 |
21 |
FDA SURVEY 1990-03 |
| FLATFISH 2 |
0.05 |
0.04 |
ND |
0.18 |
22 |
FDA SURVEY 1990-02 |
| HADDOCK |
0.03 |
0.04 |
ND |
0.04 |
4 |
FDA SURVEY 1990-02 |
| HAKE |
0.01 |
ND |
ND |
0.05 |
9 |
FDA SURVEY 1990-02 |
| HERRING |
0.04 |
NA |
ND |
0.14 |
38 |
NMFS REPORT 1978 |
| JACKSMELT |
0.11 |
0.06 |
0.04 |
0.50 |
16 |
FDA SURVEY 1990-02 |
| LOBSTER (Spiny) |
0.09 |
0.14 |
ND |
0.27 |
9 |
FDA SURVEY 1990-02 |
MACKEREL ATLANTIC
(N. Atlantic) |
0.05 |
NA |
0.02 |
0.16 |
80 |
NMFS REPORT 1978 |
| MACKEREL CHUB (Pacific) |
0.09 |
NA |
0.03 |
0.19 |
30 |
NMFS REPORT 1978 |
| MULLET |
0.05 |
NA |
ND |
0.13 |
191 |
NMFS REPORT 1978 |
| OYSTERS |
ND |
ND |
ND |
0.25 |
34 |
FDA SURVEY 1990-02 |
| PERCH OCEAN |
ND |
ND |
ND |
0.03 |
6 |
FDA SURVEY 1990-02 |
| PICKEREL |
ND |
ND |
ND |
0.06 |
4 |
FDA SURVEY 1990-02 |
| POLLOCK |
0.06 |
ND |
ND |
0.78 |
37 |
FDA SURVEY 1990-02 |
| SALMON (Canned) |
ND |
ND |
ND |
ND |
23 |
FDA SURVEY 1990-02 |
| SALMON (Fresh/Frozen) |
0.01 |
ND |
ND |
0.19 |
34 |
FDA SURVEY 1990-02 |
| SARDINE |
0.02 |
0.01 |
ND |
0.04 |
22 |
FDA SURVEY 2002-03 |
| SCALLOPS |
0.05 |
NA |
ND |
0.22 |
66 |
NMFS REPORT 1978 |
| SHAD (American) |
0.07 |
NA |
ND |
0.22 |
59 |
NMFS REPORT 1978 |
| SHRIMP |
ND |
ND |
ND |
0.05 |
24 |
FDA SURVEY 1990-02 |
| SQUID |
0.07 |
NA |
ND |
0.40 |
200 |
NMFS REPORT 1978 |
| TILAPIA |
0.01 |
ND |
ND |
0.07 |
9 |
FDA SURVEY 1990-02 |
| TROUT (Freshwater) |
0.03 |
0.02 |
ND |
0.13 |
17 |
FDA SURVEY 2002-03 |
| TUNA (Canned, Light) |
0.12 |
0.08 |
ND |
0.85 |
131 |
FDA SURVEY 1990-03 |
| WHITEFISH |
0.07 |
0.05 |
ND |
0.31 |
25 |
FDA SURVEY 1990-03 |
| WHITING |
ND |
ND |
ND |
ND |
2 |
FDA SURVEY 1990-02 |
Table 3. Mercury Levels of Other Fish and Shellfish
| SPECIES |
MERCURY CONCENTRATION (PPM) |
NO. OF SAMPLES |
SOURCE OF DATA |
| MEAN |
MEDIAN |
MIN |
MAX |
| BASS (Saltwater)1 |
0.27 |
0.15 |
0.06 |
0.96 |
35 |
FDA SURVEY 1990-03 |
| BLUEFISH |
0.31 |
0.30 |
0.14 |
0.63 |
22 |
FDA SURVEY 2002-03 |
| BUFFALOFISH |
0.19 |
0.14 |
0.05 |
0.43 |
4 |
FDA SURVEY 1990-02 |
| CARP |
0.14 |
0.14 |
0.01 |
0.27 |
2 |
FDA SURVEY 1990-02 |
| CROAKER WHITE (Pacific) |
0.29 |
0.28 |
0.18 |
0.41 |
15 |
FDA SURVEY 1990-03 |
| GROUPER |
0.55 |
0.44 |
0.07 |
1.21 |
22 |
FDA SURVEY 2002-03 |
| HALIBUT |
0.26 |
0.20 |
ND |
1.52 |
32 |
FDA SURVEY 1990-02 |
| LOBSTER (Northern/American) |
0.31 |
NA |
0.05 |
1.31 |
88 |
NMFS REPORT 1978 |
MACKEREL SPANISH
(Gulf of Mexico) |
0.45 |
NA |
0.07 |
1.56 |
66 |
NMFS REPORT 1978 |
MACKEREL SPANISH
(S. Atlantic) |
0.18 |
NA |
0.05 |
0.73 |
43 |
NMFS REPORT 1978 |
| MARLIN |
0.49 |
0.39 |
0.10 |
0.92 |
16 |
FDA SURVEY 1990-02 |
| MONKFISH |
0.18 |
NA |
0.02 |
1.02 |
81 |
NMFS REPORT 1978 |
| ORANGE ROUGHY |
0.54 |
0.56 |
0.30 |
0.80 |
26 |
FDA SURVEY 1990-03 |
| PERCH (Freshwater) |
0.14 |
0.15 |
ND |
0.31 |
5 |
FDA SURVEY 1990-02 |
| SABLEFISH |
0.22 |
NA |
ND |
0.70 |
102 |
NMFS REPORT 1978 |
| SCORPIONFISH |
0.29 |
NA |
0.02 |
1.35 |
78 |
NMFS REPORT 1978 |
| SHEEPSHEAD |
0.13 |
NA |
0.02 |
0.63 |
59 |
NMFS REPORT 1978 |
| SKATE |
0.14 |
NA |
0.04 |
0.36 |
56 |
NMFS REPORT 1978 |
| SNAPPER |
0.19 |
0.12 |
ND |
1.37 |
25 |
FDA SURVEY 2002-03 |
| TILEFISH (Atlantic) |
0.15 |
0.10 |
0.06 |
0.53 |
17 |
FDA SURVEY 2002-03 |
| TUNA (Canned, Albacore) |
0.35 |
0.34 |
ND |
0.85 |
179 |
FDA SURVEY 1990-03 |
| TUNA (Fresh/Frozen) |
0.38 |
0.30 |
ND |
1.30 |
131 |
FDA SURVEY 1990-02 |
| WEAKFISH (Sea Trout) |
0.25 |
0.16 |
ND |
0.74 |
27 |
FDA SURVEY 1990-03 |
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