Consider the affect your food has on our oceans: choose hook and line caught fish (trolling) over trawling (destructive nets dragged along the bottom).
This video highlights some common places to buy seafood and what types you should look out for.
For your convenience try the mobile apps developed by Monterey Bay Aquarium
and the Vancouver Aquarium.
Monterey bay also provides location specific seafood guides here.
You can also check out Canada’s seafood guide.
Now there’s little excuse for you not to help our oceans by eating sustainably.