Class Chondrichthyes
This class belongs in the bigger taxon of fishes. As with all groups of fishes, class Chondrichthyes have paired fins, scales, and gills. What distinguishes class Chondrichthyes, is that they do not have bones. Instead, they have strong, flexible tissues called cartilage. Examples of this class include sharks, skates and rays.
There are about 350 species of sharks.
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Carcharodon carcharias
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| Mitsukurina owstoni and Stegostoma fasciatum |
There are about 500 species of rays and skates.
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Aetobatus narinari
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| Urobatis halleri |
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Leucoraja naevus
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| Manta birostris |
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