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Question
Give the characteristic features of the following citing one example.
Chondrichthyes and ostichthyes
Solution
| Chondrichthyes |
Chondrichthyes are also known as cartilaginous fish because of their cartilaginous endoskeleton. The scales on their skin are placoid. They don't have an air bladder. Examples are Scoliodon, Pristis, and more. |
| Osteichthyes |
Osteichthyes is also known as bone fishes because of their bony endoskeleton. They have cycloid scales on their skin. They have an air bladder in them. For instance, Rohu, Catla, and others. |
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