Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is feather-like (pinnate). Colour: purple. Up to 5 cm high.
Colonies may grow over several years and are fertile in summer. They are common in tidal channels in Port Phillip and Western Port Bays.
On pebbles and old shell in good current flow.
Plankton or Particles
Generally not harmful but still able to sting bare skin.
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed