Octopus punches fish in the head (just because it can)

Why do octopuses have eight arms? The better to punch fish with, new research reveals. These brainy cephalopods sometimes team up with fish to find food; hunting collaboratively like this allows them to cover more area, and it increases their chances of catching prey. However, when big blue octopuses (Octopus cyanea), also known as day […]

Rare 9-armed octopus found off Japan coast

A nine-armed octopus caught off Japan’s coast nearly ended up being dinner, until the family preparing it noticed its extra limb and sent it to a museum instead, according to news sources.  While unusual, this extra appendage — which wasn’t fully formed, but a small offshoot on a regular arm — isn’t unheard of in […]