Amphioctopus marginatus (Coconut octopus)


Robust brown body covered with a network of fine dark red lines which can darken or lighten dramatically, bright white to blueish rows of sucker discs. They often shelter in coconuts or bivalves and litter.


Unevaluated by the IUCN Red list, but an uncommon species.


West-Pacific and the coastal Indian Ocean. Sandy inshore lagoons and bays, in a depth range of 1-40 meters.


they lay their eggs in a lair, which is protected by the female.


Including its arms up to 25cm.

Prey / Predation

It feeds on crabs and clams.

Special features

It is a day active octopus, but spends a lot of time within the sand or beneath it. Adult individuals protect take shelter in bivalves when partially or completely buried. They also use coconut shells, or litter such as bottles. They have been observed walking on 2 arms in stead of all 8, and so far has been the only octopus to do so.