Seeing one in person is a truly thrilling experience, but even more exciting is to swim alongside a whale shark, which we ...

Contoy Adventures also offers whale shark tours ... for a tour option that allows for swimming and snorkeling, reviewers say this excursion from Cancun Sailing fits the bill.

Scientists don’t know why the animals go so deep. Sharks lack a swim bladder that keeps other fish buoyant, so one idea is that whale sharks free-fall toward the seafloor to rest. In 2007 ...