The spotted cleaner shrimp, Periclimenes yucatanicus (Ives, 1891), forms symbioses with sea anemones that may serve as cleaning stations for reef fishes [1]. This Caribbean palaemonid shrimp has usually been reported in symbiotic association with several species of actiniarian hosts, such as Condylactis gigantea (Weinland, 1860) and Bartholomea annulata (Le Sueur, 1817), or even with some corallimorpharians and a scyphozoan jellyfish.