The Diving Guide: Cozumel, Cancun & the Riviera Maya
David Behrens, veteran diver and underwater photographer, has been a practicing marine biologist since 1974. The author of Pacifc Coast Nudibranchs and co-author of Coral Reef Animals of the Indo-Pacific and Diving & Snorkeling Honduras' Bay Islands, Dave has published more than 70 technical and popular papers, including descriptions of 25 marine species new to science. He holds a master's degree in marine biology from San Francisco State University and is a research associate at the California Academy of Sciences. Dave and wife Diana operate Sea Challengers Natural History book publishing and distribution business in Danville, California.