What Type Of Fish Are Chondrichthyes?
What Type Of Fish Are Chondrichthyes? The sharks, rays, and chimaeras make up the second group of fish, the Class Chondrichthyes. Sharks are one of the earliest known jawed fishes. They have an upper and lower jaw made of cartilage. What defines a fish as a Chondrichthyes? iːz/; from Ancient Greek: χονδρ- chondr- ‘cartilage’, ἰχθύς