Seafood - toxicity warning

for the contrary view see here:  Is Eating Fish Safe? A Lot Safer Than Not Eating Fish!

and

1. Why Fish Stomp Flax as a Source of Omega-3
2. How Too Much Omega-6 and Not Enough Omega-3 in Making Us Sick
3. How Much Omega-3 is Enough? That Depends on Omega-6
4. The Fish vs. Fish Oil Smackdown
5. The Definitive Fish Oil Buyer’s Guide