Skipjack Bluefin and Yellowfin called Ahi in Hawaii tuna are canned and sold as light meat. Find out why the heart-healthy benefits of eating fish usually outweigh any risks. Omega 3s And Occasional Dry Eye Eyepromise The omega-3 fatty acids in fish are good for your heart. What is omega 3 good for . I have a question about omega-3 fatty acid intake either through fish consumption or by dietary supplements such as fish oil. Omega-3s are the essential fats best known for being good for your joints brain and heart. These are the omega-3s found in seafood like salmon sardines etc. Everyone knows that Omega-3 fatty acids are good for you. When most people think of Omega-3 sources they think of fish. Omega-3 foods are known as good fats the kinds that provide us with polyunsaturated fatty acids PUFAS. By Mayo Clinic Staff. For many years the American Heart Association has recommended that people eat fish rich in unsaturated. Why Doing Good Matters. It is harde...