Like all water mammals, much of their brain tissue is no neurons, but insulation to withstand the cold temperatures of the depths.
I'm going to assume they probably taste a lot like whale, which I didn't care for at all, so I'll pass on the dolphin.
Like all water mammals, much of their brain tissue is no neurons, but insulation to withstand the cold temperatures of the depths.
Now that is very interesting, since the assumption that they must be extremely intelligent is always based on their brain:body size ratio. I have never heard that before.