Are Sharks Fish or Mammal

Answer 1

• Sharks are a group of fish.
• The earliest known sharks date from more than 420 million years ago
• Sharks have diversified into over 470 species.
• They range in size from the small dwarf lantern shark, species of only 17 centimeters in length, to the whale shark, the largest fish in the world, which reaches approximately 12 meter.

Answer 2

fish, cartilageous fish at that. Their skeletons aren't bony like ours, or dolphins.