Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is single stems. Colour: colourless to yellowish white, medusa colourless. At night the colonies bioluminesce blue. Up to 10 mm high.
Colonies of this common southern Australian species grow and become fertile in summer.
On fronds of the brown kelps.
Worldwide. Southern Australia.
Plankton or Particles
Generally not harmful but still able to sting bare skin.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed