brain that coordinates and stores infor-mation received from the environment.Different functions and behaviors of cephalopods are controlled by particularregions of the brain, as in humans. Giantnerve fibers rapidly conduct impulses, al-lowing cephalopods to capture prey or es-cape at amazing speeds. The strikingly complex eyes of cephalopods reflect thedevelopment of their nervous system.Octopuses and cuttlefishes have consider-able intelligence and a remarkable capac-ity for learning. Most cephalopods,especially cuttlefishes, display colorchanges correlated with particular behav-iors and moods, from intricate sexual dis-plays to camouflage. Some cuttlefishesflash two large black spots resemblingeyes, perhaps to fool potential predators.Some octopuses even change color andbehavior to mimic, or imitate, poisonousfishes and sea snakes