Atolla chuni is a species of crown jellyfish within the family Atollidae.

[1] The species is found distributed in the Southern Ocean and some parts of the southern Pacific and Atlantic Ocean in pelagic environments at depths of up to 5198 meters.

[2][3] Individuals have been found with partially digesting remains of large Calanoida copepods, chaetognaths, Hyperiidea amphipods, and krill attached to the gastric cirri.

It grows to a length of 7 centimeters.

[3]