Flat fish are a type of fish with a flattened body, which makes them well-adapted to living and hunting on the sea floor. There are many different types of flat fish, including flounders, halibut, and sole. When referring to these fish, there are many synonyms that can be used, such as ground fish, bottom feeders, or even simply "flatties." In some regions, people also call them flukes or plaice. Regardless of what name you use, these fish make for delicious meals and are a popular choice for seafood lovers.