If the competitor does not flee, the male eventually attacks it to force it away. Nein, ich möchte nicht reiten.

Proceedings of the Geologists' Association. To produce these signals, cephalopods can vary four types of communication element:

Some cuttlefish are venomous. Proceedings of the National Academy of Sciences. Cuttlefish are able to rapidly change the color of their skin to match their surroundings and create chromatically complex patterns, [54] despite their inability to perceive color, through some mechanism which is not completely understood.