This article gives an overview of the whale shark and highlights an ongoing study of the animal off the Yucatan Peninsula. Scientists are trying to find out why whale sharks dive so deep, where they go when they disappear for months at a time, and why no one has ever found a whale shark breeding ground.

Originally released by Highlights for Children, 2015. Streaming audio file encoded with permission for digital streaming by Infobase on July 15, 2016.

Watching Whale Sharks: Highlights (5:48); .