which type fish can we eat safely?

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低汞 ( Enjoy these fish):	中汞 (Eat six servings or less per month):	高汞（ Eat three servings or less per month ） :
Anchovies	Bass (Striped, Black)	Bluefish
Butterfish	Carp	Grouper
Catfish	Cod (Alaskan)	Mackerel (Spanish, Gulf)
Clam	Croaker (White Pacific)	Sea Bass (Chilean)*
Crab (Domestic)	Halibut (Atlantic)	Tuna (Canned Albacore)
Crawfish/Crayfish	Halibut (Pacific)	Tuna (Yellowfin)
Croaker (Atlantic)	Jacksmelt (Silverside)
Flounder	Lobster	最高汞（ Avoid eating ） :
Haddock (Atlantic)	Mahi Mahi	Mackerel (King)
Hake	Monkfish	Marlin
Herring	Perch (Freshwater)	Orange Roughy
Mackerel (N. Atlantic, Chub)	Sablefish	Shark
Mullet	Skate	Swordfish
Oyster	Snapper	Tilefish
Perch (Ocean)	Tuna (Canned chunk light)	Tuna (Bigeye, Ahi)*
Plaice	Tuna (Skipjack)
Pollock	Weakfish (Sea Trout)
Salmon (Canned)
Salmon (Fresh)
Sardine
Scallop
Shad (American)
Shrimp
Sole (Pacific)
Squid (Calamari)
Tilapia
Trout (Freshwater)
Whitefish
Whiting