Things you should know before you swim with the whale sharks. Along With More Things to Think About- Whale Shark Swimming Cancun. Click to read more at http://www.divergenttravelers.com/whale-sharks-cancun-mexico/
The Whale Shark is listed as a Vulnerable species. It is one of the largest fish in the world. The largest confirmed was 41.5 feet and 47,000 lbs. it's mouth can be up to 5 ft wide with 300 to 350 rows of teeth, but they primarily eat plankton. lt.