Go on a journey with John McCosker, Chair of the Department of Aquatic Biology, and learn how the oceans' top predator preys upon its victims. [1:40]

When he is not deep-sea diving or researching white shark behavior, Dr. John McCosker's interests include aquatic animal evolution and behavior, plus discovering and cataloging the fishes of the Galapagos Islands. [1:17]

The California Academy of Sciences sent John McCosker and a team of oceanographers to Grand Comore, an island in the Indian Ocean off the eastern coast of Africa. There, they obtained two coelacanth specimens, which provided researchers...

For environmental biologists, the Galapagos Islands remain deeply inspirational. To a marine biologist like John McCosker, the Galapagos represent a challenge to study evolutionary biology in a place where Darwin never dreamed of going...