Ryan Johnson

Can sharks change color at will to enhance their predatory abilities? Through groundbreaking experiments, revered shark biologists answer this evolutionary question. Shark scientists Dr. Ryan Johnson and PhD Candidate Gibbs Kuguru...

A routine drone survey turns deadly when Ryan Johnson, a marine biologist based in South Africa, films a humpback whale being attacked and strategically drowned by a Great white shark. This is a total perspective shift on a creatu...

With shark attacks on the rise worldwide surfers are taking the brunt of the bites. To understand why a one hour SharkFest special relives the most harrowing of shark vs surfer stories from the world's deadliest shark infested sur...