image: Nurse shark at a reef site within Dry Tortugas marine protected areas in the Florida Keys. This material relates to a paper that appeared in the March 1, 2017, issue of Science Advances, published by AAAS. The paper, by A. Valdivia at Center for Biological Diversity in Oakland, Calif., and colleagues was titled, "Predatory fish depletion and recovery potential on Caribbean reefs." view more
Credit: [Credit: Abel Valdivia]