Thimble jellyfish Thimble jellyfish The thimble jellyfish ("Linuche unguiculata") is a species of cnidarian found in the neotropical Atlantic Ocean. It is a tiny jellyfish with a straight-sided, flat-topped bell. This jellyfish is the most common cause of seabather's eruption, a reaction caused by the injection of juvenile jellyfish nematocysts into human skin. The medusa of the thimble jellyfish has straight sides with sixteen grooves, and a flat top. The coronal groove between the top and sides provides flexibility. The margin of the bell has sixteen lappets (folds), the niches between these bearing alternately rhopalia (sense organs) and short tentacles (eight of
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 .