How long can a lemon shark get?

The smallest sharks are about 1 ft. Adult Great White Sharks on average are 13-17 feet and up to 21 feet.

The largest confirmed Whale shark was measured at 12.65 meters (41.5 ft) but unconfirmed claims of larger lengths have been reported.

With respect to extinct shark species, the Megalodon has been reported to reach a maximum length of 18 meters (59 ft).