Ryan Johnson (30 January 1977) is a marine biologist specializing in researching sharks. He is best known for the shark documentaries that he features in and hosts.
Ryan Johnson (30 January 1977) is a marine biologist specializing in researching sharks. He is best known for the shark documentaries that he features in and hosts. (en)
Ryan Johnson (30 January 1977) is a marine biologist specializing in researching sharks. He is best known for the shark documentaries that he features in and hosts. (en)