How do you tag the world's biggest fish? Fins and flexibility.

How do you tag the world's biggest fish? Marine biologists are studying the Atlantic's whale sharks to understand their gathering spots. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .