Many restaurants and churches are getting ready to host Fish Fries again, now that lent is officially underway. And while fried fish sure is delicious, it's important not to eat too much of it. Beth Czerwony, Registered Dietitian for Cleveland Clinic, explains why. So what's a good fish to eat as a beginner? She recommends something on the mild side, like tilapia, cod or walleye. They're the least likely to have that classic fishy flavor.