A whale shark database, known as Wildbook for Whale Sharks, is helping scientists track and study the largest fish in the sea. Marine biologist Brad Norman developed the online database as a way to recruit the help of schoolchildren, divers, fisherman, and tourists to learn more about the mysterious fish. Through more than 36,000 encounters posted to the database, 7,000 whale sharks have been tracked around the world.

Even though whales sharks show up predictably around the world, sometimes in large numbers, not a lot is known about them as the sharks can descend to deep ocean depths for months at a time.

Read the full article here.