Umbrella 2-3 mm high, bell nearly spherical, mesoglea very thick, especially in apical region; apical canal sometimes present; mouth rim with cnidocysts; 4 tentacles with large basal bulbs and prominent round abaxial cnidocyst clusters.
This species is found on polychaete tubes, dead gorgonians, wood and dock chains at depths of 10 to 32 m (Ref. 87801). Species exhibits both asexual and sexual reproduction by budding during hydroid stage and release of gametes in medusae stages
(Source: Marine Species Identification Portal)