Whale shark

"The whale shark may be the largest fish in the sea, but it's far from the most vicious. This gentle giant hunts for some of the smallest water animals, gulping up big groups of them with water before filtering out the water and swallowing its next meal. Dive under the waves to watch the filter feeder at work, swim through its warm watery home, protect other animals from predators, and more"--Provided by publisher.