Jellyfish Jellyfish Jellyfish or sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are not mobile, being anchored to the seabed by stalks. The bell can pulsate to provide propulsion and highly efficient locomotion. The tentacles are armed with stinging cells and may be used to capture prey and defend against predators. Jellyfish have a complex life cycle; the medusa is normally the sexual phase, the planula larva can
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