Get up close with the world’s largest fish the whale sharks, the gentle giants in Oslob Cebu Philippines. Swimming with a whale shark is a unique wildlife interaction that will last forever. The whale shark is the biggest shark and the largest fish in the world: its length can reach 18 meters, they feed plankton, spend most of the time at the surface and swim very slowly, often no more than 5 km / h; In fact, they have a lot of small teeth used not to bite a prey, but in order not to let food go out of the mouth...a kind of a lock. Whale sharks are completely safe for humans. They often do not respond to people swimming nearby or even touching them: but caution is always welcome. Unfortunately, such actions can scare the fish, and it will go into the depth with the speed of a torpedo.