Could be extremely small or quite large. The former really depends on yours.
big brain
A zebra's brain is about twice the size of a Size 8 soccer boot. The zebra has a larger brain compared to many other mammals its size.
The blue whale has the largest brain of any animal on Earth, including other marine mammals. It can weigh up to 20 pounds, which is much larger than the brains of most other marine mammals.
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.
They eat small mammals more coz i dont think they can eat and find massive or big mammals.
The average size of a whale's brain is larger than most other marine mammals.
The size of a goldfishes brain would depend upon the size of the goldfish. It is however quite large enough to enable the goldfish to survive. By comparison to mammals though it is small.
In the head, same as all mammals
The average size of a blue whale's brain is the largest among all marine mammals.
Any mammal's centre of thinking is the brain. The brain is always important.
Yes, in most mammals, the left side of the body is controlled by the right side of the brain. This is due to the way the nerves are interconnected in the brain.
Mammals.