But their adorably small size and Instagrammable appearance is deceptive ... There may be around 10 different species of blue-ringed octopus, though only four have been given scientific names. The ...

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 ...

The suckers are also packed with sensory receptors that allow the octopus to taste and smell things that they touch—like combining a hand with a tongue and a nose. The researchers believe the ...