This story appears in the January 2010 issue of National Geographic magazine. When Andrew Stanton set out to make an animated children's movie set in the ocean and faithful to "the real rules of ...

The ornately colored sea anemone (uh-NEM-uh-nee) is named after the equally flashy terrestrial anemone flower. A close relative of coral and jellyfish, anemones are stinging polyps that spend most ...

Actually, it's more like eat and be eaten for most organisms. While plants and some bacteria can make their own food, other organisms must eat living things to survive. This makes them predators.

Pteropods: Seawaters are already corrosive enough in some areas to erode the shells of these small sea “butterflies.” Pteropods are tiny snails that are found throughout the oceans and are an ...