Flatfish are a type of fish that have a flattened body and live on the ocean floor. BRILL, SOLE, DAB, FLUKE, and RAY are all types of flatfish. BRILL is a large flatfish found in the North Atlantic Ocean, while SOLE is a smaller flatfish found in the North Atlantic and Mediterranean Sea. DAB is a small flatfish found in the North Atlantic and Pacific Oceans, while FLUKE is a larger flatfish found in the North Atlantic and Mediterranean Sea. RAY is a large flatfish found in the North Atlantic and Pacific Oceans.