Class Chonrichthyes

Characteristics of Sharks and Rays

1. Cold blooded animals

2. Some lay eggs, some give live birth

3. Live in water and breathe through gills

4. Cartiliginous skeletons - soft, flexible

5. No scales, smooth appearing skin

http://animaldiversity.ummz.umich.edu/chordata/chondrichthyes.html

For More About Chondrichthyes

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