Fish Classification Flashcards
1
Q
What are the three classifications of fish?
A
Osteichthyes (bony fish)
chondrichthyes
Agnatha (jawless fish)
2
Q
What is the Osteichthyes class?
A
Their skeleton is comprised of primarily bone tissue. Includes most fish species.
3
Q
What is the chondrichthyes class?
A
Their skeleton is made of mainly cartilage. Sometimes their teeth and vertebrae are calcified but still not true bone.
Class includes sharks, rays and Chimaera
4
Q
What is the Agnatha class?
A
Primitive jawless fish (probably the earliest invertebrate species)
Includes Lampreys, Hagfish and several extinct groups.
