The blue-ringed octopus is one of the smallest and most dangerous sea creatures in the world. Measuring only slightly more ...

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 ...

A tiny “settled” Red Octopus explores its surroundings at Birch Aquarium. Photo: Jordann Tomasek. “This is an exciting ...