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Very small. The rest is ink and fat
I don't believe that is a sufficient answer... an octopus's brain is proportional to many small mammals. such as a small bird, of the cavity is proportional, then its safe to safe the brain size would be too.
What else can I help you with?
Does a octopus have a brain?
like humans octopus only have one brain
Do octopus have brain?
no, the octopus has one brain inside its mantle.
Can an octopus beat a shark?
It would have to be a BIG octopus (they do get big but probably not big enough). A giant squid, maybe...
How big is a female octopus?
big.
What has more than one brain?
The octopus has a main brain and then a smaller brain in each tentacle.
What Animal having 2 brain?
A octopus has a main brain and covers a second brain that controls a tentacles.
Can an octopus break hard things?
if the octopus is big yes but, if it is small no
What does an octopus brain look like?
The octopuses brain,it looks like the octopuses body
What animals eat a octopus?
A shark or other big fish eat a octopus.
Is it true that octopus have eight brains?
An octopus has eight arms but only one brain.
What type of animal is an octopus considered?
Cephalapod or' Brain foot'
How big does a blue ringed octopus get?
the greater blue ringed octopus is 20cm long
