A little octopus is hidden in a coral reef off of Australia's coast, waiting for its next target. Suddenly, the blue-ringed octopus speeds out of its hiding place, trapping a crab in its tentacles. The little crab doesn't stand a chance against the venom of this octopus. Lively text and action-packed photos explore where this venomous predator lives, how it hunts, and all that makes it a danger down under!