Learn all about ocean predators past and present. Detailed graphics, diagrams and video images help us learn about the historic megalodon, today's ocean predators, orcas (killer whales) which are dolphins, pack hunting, intelligence and communication, pods, camouflage, differences between great white sharks and orcas, freshwater tropical piranhas, the importance of teeth to predators, moray eels, sensory systems, jellyfish, man o' war organisms, the aquatic food chain, threats to ocean life, and what we can do to preserve the ocean's biodiversity.