It eats small fishes and cephalopods. FISH Fish are scaly, cold-blooded animals with fins that get their oxygen from the water using gills. A floe is a sheet of floating ice, usually found in polar seas. A fluke is a single lobe of a whale's tail. Flukes have no bones and are all muscle.
Cetaceans swim by moving their flukes up and down in the water.
These are eaten by other carnivores. Fossils have been found on every continent on Earth. Each gill slit is covered by frills of skin, hence its name. Its teeth have 3 cusps on a wide base. It has an anal fin and one small dorsal fin.