Cuttlefish can count at least up to five, new study finds

Can’t they do what we all do and count on their tentacles?

How cephalopods are masters of camouflage despite seeing in black and white

Despite having a single visual pigment in their retinas, cephalopods can blend with their multi-coloured surroundings easily fooling both prey and predators.

Are cephalopods taking over the oceans?

Human activity has been wreaking havoc on ocean life. One group however seems to thrive where others struggle to survive: new evidence shows that cephalopods’ numbers have significantly increased over the last six decades.