when you think of an animal that reacts to people what comes to your mind? is it a dog,a cat,or a horse? you probably don't think of an octopus. To most people,the octopus doesn't look intelligent because of its strange appearance.But octopuses have very large brain,and they are quite smart.For example,an octopus is in an aquarium,and it sees food outside.what happens? It finds a way to reach the food with its long arms. Octopuses are also very strong,and they often remove obstacles that separate them from their meal.