Question

Lacking a bony endoskeleton, sharks, rays, and ratfish belong to what group of fish?

Answer 1

cartilaginous

Cartilaginous Fish Cartilaginous fish include sharks, rays, and ratfish. Their endoskeleton is made of cartilage instead of bone. They also lack a swim bladder. However, they have a complete vertebral column and jaws. They also have a relatively big brain. shark.