Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is tree-like or bushy (arborescent). Colour: variable pale yellow to orange, gonothecae orange or pinkish. Up to 5 cm high.
Colonies of this species grow annually and become fertile in spring and summer.
Still water on invertebrates, often on sponges and algae attached to jetties, to depths greater than 500 m.
Temperate to subantarctic waters 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