Octopus vulgaris

Stipple engraving of a common octopus (Octopus vulgaris) seen from the front and, below, from the side. The front part of the body is a dark brown color.

The common octopus is a mollusk in the family Octopodidae. As the name suggests, it has eight arms, each bearing strong fleshy suckers. It feeds on crustaceans and other mollusks.