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...