"Box Jellyfish are not only the most venomous jellies to humans, but they also possess at least 24 functional eyes (of various degree) on its body despite having no centralized brain. Four of its eyes always peer up out of the water regardless of the animal’s body position; some eyes can make out images, others are more primitive."
No offense, (and I sincerely mean that) wikipedia should never be used as a credible source of information. At least, not exclusively.