Meet the world's smallest known octopus. This cute little thing is most commonly found in warm, shallow waters of the Western ...

He captured a small coconut octopus taking shelter in a plastic cup as a replacement for natural alternatives. Sigurdsson anticipated how this minuscule change would impact a bigger aquatic food ...

But their adorably small size and Instagrammable appearance is deceptive ... Mike Workman/ Shutterstock There may be around 10 different species of blue-ringed octopus, though only four have been ...

But their adorably small size and Instagrammable appearance is deceptive ... Mike Workman/ Shutterstock There may be around 10 different species of blue-ringed octopus, though only four have been ...