Select the reptile.

 - salmon
 - human
 - green chameleon
 - piranha
A green chameleon is a reptile. It has scaly, waterproof skin.
Chameleons eat insects. They use their long, sticky tongues to catch their prey.
A human is a mammal. It has hair and feeds its young milk.
Humans are a type of animal called a primate. Monkeys and apes are also primates.
A salmon is a fish. It lives underwater. It has fins, not limbs.
Unlike most other fish, salmon can live in both fresh water and salt water.
A piranha is a fish. It lives underwater. It has fins, not limbs.
Piranhas have sharp teeth. Piranhas hunt in groups. A group of piranhas can eat a large animal.