Seafood watch guides...

The Monterey Aquarium has some excellent downloadable pocket guides and apps on it's website to help you choose the right "ocean friendly" fish or critter while shopping. The guides are done by regions and are well worth the download...

Of course, the best means of securing ocean friendly seafood is to catch it yourself as it is sometime difficult or impossible to sort out if the Mahi Mahi on offer is local and caught by trolling or pole (Best Choice) or the AVOID sort (imported)...