Basa, Dab or Vietnamese Clams, Sustainable Fish from A to Z

Do the right thing is the mental message we get when buying fish and shellfish at our local store or ordering it in a restaurant.

Instead of giving us a lengthy expose Sophie Morris offers us an A to Z list of seafood that is healthy and not at risk of extinction in Where's the Catch? (The Independent UK, June 14).
Each choice is followed by a short, clear description and its country of origin.