This small, cute looking creature is one of the most dangerous animals in the ocean. It hides on shallow reefs, blending into its surroundings. While snorkeling or walking near the shore, you might ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean. The blue-ringed octopus (genus Hapalochlaena) is small ...