Tropical fish Tropical fish live in warm water. Most kinds of tropical fish live in salty ocean water. Some kinds live in freshwater lakes and rivers. Tropical fish swim in waters off the coasts of Africa, Central America, South America, and India.
starfish A starfish uses the feet on its arms to move around. These special feet are called tube feet because they are like hollow tubes.
clams All clams belong to a group of animals called mollusks. Mollusks have soft bodies without any bones. A shell protects their soft bodies. Clams live in water or mud.