All at once, it seems, faux meat has gone from the back freezer of the health food store to the front display case at your local Walmart. From the so-real-it-bleeds Beyond Burger to vegan “chicken” at KFC to the plant-based Omnipork taking Asia by storm, mock meat is having its moment in the sun. Swimming up just behind it is artificial seafood, poised for a boom any minute. With overfishing threatening marine ecosystems worldwide, vegetarian substitutes make sense for sustainability. Here are some of the most interesting—and potentially tasty—faux fish products on the market or in the works.