i hate most fish and therefore rarely eat it....which screws me on EFA's i know, but i cannot STAND that taste...
I've never liked Salmon but it has high amounts of EFA's...however with what they are feeding farmed salmon nowadays i wouldnt touch the stuff willingly
Mackrel on the other hand is to my knowledge caught fresh, and has high EFA's too....and IMO tastes much better
Fresh tuna is quite good as well i think
not a fan of any other fish apart from cod and haddock and even then i hate it unless its in breadcrumbs. much better to eat the oils IMO....bleuch!