Physical appearance:
* Hammerhead sharks have a distinctive hammer-shaped head, with two large lobes on either side.
* Whale sharks are much larger than hammerhead sharks. They can grow up to 40 feet long and weigh up to 47,000 pounds.
* Hammerhead sharks have a grey or brown body, while whale sharks have a blue or brown body with white spots.
Diet:
* Hammerhead sharks are carnivores and feed on a variety of fish, squid, and crustaceans.
* Whale sharks are filter feeders and feed on plankton, small fish, and squid.
Behavior:
* Hammerhead sharks are aggressive and territorial, and they are known to attack humans.
* Whale sharks are docile and gentle, and they have never been known to attack humans.
Habitat:
* Hammerhead sharks live in tropical and subtropical oceans around the world.
* Whale sharks live in warm, tropical waters around the world.
Despite the difference, both species are filter feeders and play important roles in the ocean ecosystem.