Octopuses have a large nervous system, with the average octopus having about 500 million neurons or brain cells. That puts it in the same “brain range” as smaller mammals such as dogs. Unlike ...

Blanket octopus pairs are some of the undersea world’s oddest couples. What’s so startling is the size difference: Males are about the size of a walnut—less than an inch long—but some ...

According to the Monterey Bay Aquarium, octopuses poop from their siphon or funnel, a large, tube-like structure they also ...

An curved arrow pointing right. With their eight arms and giant egg-shaped head, octopuses are one of the most alien-looking creatures on the planet. We read Katherine Courage's book "Octopus!" ...

The dozen or so species that make up Grimpoteuthis are called Dumbo octopuses because of the two large fins—one on either side of the mantle—that protrude like ears. Add in the octopus’s ...

Octopuses have blue blood, three hearts and a doughnut-shaped brain. But these aren’t even the most unusual things about them! Known for their otherworldly look and remarkable intelligence, octopuses ...

Watching the octopus do this is like watching a magic trick! Here are some octopus facts: – An octopus has three hearts. Two of them pump blood to the gills, and the third pumps it to the rest ...

Octopuses are strange creatures, and even after thousands of years of study, the facts that we unravel about these cephalopods continue to amaze us. For instance, researchers discovered that these ...

Let us dive into the 140 octopi on record and see where the tentacles lead us. Some octopus facts: Rob Moore and Torrence Small scored the first two octopi, on the same day in 1994. Moore and ...