Jellyfish several countries; jellyfish caused a cascading blackout in the Philippines in 1999, as well as damaging the Diablo Canyon Power Plant in California in 2008. They can stop desalination plants and ships' engines. 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
Jellyfish Entertainment the year-long project girl group I.O.I, while still under Jellyfish Entertainment.It was confirmed that following their promotions as part of I.O.I, the trainees would officially debut as members of the agency's first girl group. On June 3, 2016 Jellyfish Entertainment launch their new music channel "Jelly Box". "Jelly Box" is similar to Jellyfish Entertainment’s previous project "Y.Bird from Jellyfish Island" and it will showcase Jellyfish Entertainment artists and producers and include collaborations with artists outside of the label. On June 28, 2016, Jellyfish debuted nine-member girl group Gugudan. In August 2016, Park Hyo-shin departed from the agency after eight years