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
Jellyfish Entertainment Jellyfish Entertainment Jellyfish Entertainment (), is a South Korean entertainment company established by composer and producer Hwang Se-jun in Seoul, South Korea. Jellyfish Entertainment is the home of artists including Park Yoon-ha, Jang Hye-jin, VIXX, VERIVERY and Gugudan. The agency also the home of actors including Park Jung-ah, Choi Ji-na, Jiyul, Kim Ye-won and Park Jung-soo. Jellyfish Entertainment was founded on August 17, 2007 in Seoul by composer and producer Hwang Se-jun. The first artist to sign under the company was the established ballad singer Sung Si-kyung, who released the single "Parting Once Again" (). One year later, the company