There aren't many instances under the sea where you'll find whales, sharks, dolphins and sea lions working together as they take turns to eat a meal. But when that meal is a massive shoal of sardines, you can bet none of them care about battling one another for dominance when there's an all you can ...

If there's safety in numbers, that safety also depends on the size of the numbers. That much is clear after seeing groups of sailfish take-out schooling sardines for a delicious meal. In groups anywhere from four to 70, these sailfish coordinate their attacks as they slash through the schools and ...