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More About Skates and Rays ...
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Rays are a group (superorder Rajomorphii) of cartilaginous fishes. They are extremely flat but closely related to the sharks. According to recent DNA analyses the cat shark is more closely related to the rays than to other sharks. Young rays look very much like young sharks.
Most rays live at the bottom of the sea. Only a few species live in the open sea or in freshwater. Rays feed on crustaceans or fish, depending on the species. No ray can kill humans, but the stingray can inflict a painful sting.
The main types of rays are stingrays, eagle rays, cow nose rays, manta rays, electric rays, and sawfishes.
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Source: Wikipedia Read more about Skates and Rays
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