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 ...

Traditionally, when taxonomists examine a potentially new species of octopus, they dissect them, an approach that is highly invasive and nearly destroys the specimen. Alexander Ziegler Hidden in the ...

Scientists working off the coast of Costa Rica say they've discovered the world's third known octopus nursery. The international 18-person research team found the site nearly 2 miles below sea level ...

There are some 300 known species of octopus. From the huge giant Pacific octopus (Enteroctopus dofleini) to the tiny poisonous blue-ringed octopus (genus Hapalochlaena), from the shallow-water mimic ...

Scientists have made a truly bizarre discovery on an expanse of cooled lava 150 miles west of Costa Rica and nearly two miles underwater. There, they laid eyes on more than a hundred female octopuses, ...

Hey, sailors! Welcome back to Animals Are Good: Cephalopod Week edition. Cephalopods, in case you’re wondering, are a class of mollusks to which octopus, squid, and cuttlefish belong. As the week ...

Add Yahoo as a preferred source to see more of our stories on Google. Parade Pets and Yahoo may earn commission from links in this article. In a recent news report from ABC, it was revealed that ...

Add Yahoo as a preferred source to see more of our stories on Google. This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all ...

Dumbo octopuses (genus Grimpoteuthis) are deep-sea denizens that lay their eggs in large capsules on the ocean floor, where their offspring develop without parental care. Researchers reported in ...