Jellyfish diameter; the tentacles and mouth parts usually extend beyond this bell dimension. The smallest jellyfish are the peculiar creeping jellyfish in the genera "Staurocladia" and "Eleutheria", which have bell disks from to a few millimeters in diameter, with short tentacles that extend out beyond this, which these jellyfish use to move across the surface of seaweed or the bottoms of rocky pools. Many of these tiny creeping jellyfish cannot be seen in the field without a hand lens or microscope; they can reproduce asexually by fission (splitting in half). Other very small jellyfish, which have bells about one millimeter, are
Jellyfish Entertainment in the second season of the television survival show "Produce 101". On April 10, 2017, actress Cho Hye-jung joined Jellyfish Entertainment. In June 2017, actress Jung So-min joined Jellyfish Entertainment. In August 2017, Jellyfish 32% shares was acquired by CJ E&M, which previously acquired 19% of Jellyfish's shares in 2013 and effectively becoming Jellyfish Entertainment largest shareholder after having 51%. The following month, Gugudan 5959 was formed as the sub-unit of Gugudan, composed of Hyeyeon and Mina. On August 16, 2017, indie soloist Jang Hye-jin joined Jellyfish Entertainment. Soloists Groups Sub-units Source: Source: Distributing labels Jellyfish Entertainment Jellyfish Entertainment (),