They possess 4 tentacles, one each on an inter-radial pedal. Like other cubomedusae, Tamoya haplonema has four rhopalia with a statolith and four simple eyes and two camera eyes on each rhopalium. See more

Tamoya haplonema prey on fish. They have also been observed interacting with fish outside of the predator prey relationship, with the fish going inside the jellyfish and around the tentacles without being cons… See more