Octopus vulgaris (common octopus)
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Octopoda |
| Habitat: | Hard bottom, rocky coast |
| Size: | Body max. 100 cm Arm span max. 200 cm |
| Appearance: | Body surface smooth to warty, body shape sack-shaped 8 short, thick arms with two rows of suckers |
| Behaviour: | Can imitate the structure of the environment, as well as the colouring |