Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is feather-like (pinnate). Colour: dark grey to black. Up to 2 cm long.
Colonies of this species appear in early spring to autumn.
On algae and invertebrates, especially brown seaweeds in shallow, sheltered water.
New Zealand and 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