No octopus. Just rocks, covered with corals and sponges of different ... A crab has taken it and stuck it to its shell. That small anemone is a sea slug that has evolved to impersonate an anemone.

The largest octopus is the giant Pacific octopus. As its name suggests, the Giant Pacific Octopus lives in the North Pacific Ocean. Bigger octopuses generally tend to live longer than smaller ...

Called Shishania aculeata, the new fossil reveals that the earliest molluscs (animals that do not have a backbone) were flat, shell-less slugs covered in a protective spiny armour. Some of the ...