They are so gentle that they are known to let humans pet them and take rides on their backs. The manta looks like a huge blanket as it floats peacefully in the water. The manta ray lives mainly in tropical waters and usually swims with another manta. At times, the manta jumps clear out of the water. It has a skeleton made out of cartilage, and its nostrils, mouth, and gill slits are found on its underside.
Manta rays give birth to live young called pups.
When their babies are born, they are wrapped in their little wing flaps. Stingray Another member of the ray family, the stingray, is very much different than the harmless manta ray. The stingray is famous for its powerful, poisonous sting in its tail. The sharp spines in the tail inject a poison which can be deadly into its victim. They vary in size and weight.