This contribution discloses the actual distribution of cannonball jellyfish ( Stomolophus meleagris ) in Co lombia, the scarcity of studies in the Colombian Caribbean and is evident nulls made to the Colombian Pacific. The presence of S. meleagris near Bahia Malaga, where three juveniles were collected jellyfish is recorded for the first time for the Colombian Pacific; described briefly found specimens, which were measured and photographed. Currently, jellyfish are deposited in the Marine Museum of Natural History of Colombia, in the city of Santa Marta.