Box jellyfish box jellyfish's nervous system is more developed than that of many other jellyfish. They possess a nerve ring around the base of the bell that coordinates their pulsing movements, a feature found elsewhere only in the crown jellyfish. Whereas some other jellyfish have simple pigment-cup ocelli, box jellyfish are unique in the possession of true eyes, complete with retinas, corneas and lenses. Their eyes are set in clusters called rhopalia, located in pockets halfway up the outer, flat surfaces of the bell. Each contains two rhopalial ocelli with lenses, one directed upwards and the other downwards and inwards towards the
Jumpin' Jellyfish Jumpin' Jellyfish Jumpin' Jellyfish is a Paratower, a parachute jump–style ride at Disney California Adventure at the Disneyland Resort in Anaheim, California and Tokyo DisneySea at Tokyo Disney Resort in Japan. The attraction's name comes from the jellyfish-themed parachute ride vehicles, the bubble and , kelp-themed towers. Jumpin' Jellyfish has a sister-themed attraction that opened in September 2001 at Tokyo DisneySea. This attraction is similar to that of the former Maliboomer, but scaled down to more child-sized proportions and rethemed. The Maliboomer required riders to be at least tall, whereas Jumpin' Jellyfish only requires riders to be at least .