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 ...

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 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 ...

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 significance of the Indian Ocean observations is that we now know that octopuses can find potentially suitable habitat across at least 99% of the global seafloor. But those animals that do ...

A California Two Spot Octopus and four hatchlings are joining the more than 3,400 animals and 500 species featured at the zoo ...

Brookfield Zoo Chicago has welcomed a new eight-limbed animal, a California Two Spot Octopus. The small octopus, known as a ...