News Ecosystems Shark Serengeti: Ocean predators have diversity hot spots Share this:FacebookTwitterPocketRedditPrintEmail By Susan Milius August 6, 2003 at 12:04 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe