Feeds in shallow water, which has led to contact with humans. In sexual reproduction, fertilized ovum develops into a planula, which settles and forms a polyp that attaches to the underside of a rock. In asexual reproduction, creeping polyps shed new polyps.
Final shape comes with metamorphosis of polyp into a young medusa, from which an adult emerges.
Life span of only months. Behavior Do not intentionally sting humans. Sting with tacticle stimulation. In order to fire, stinging cells must be chemically stimulated. Chemicals come from surface of fish, shellfish and humans.