Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is feather-like (pinnate). Colour: colonies yellowish to greenish-brown, colour often grading from the base to tip of stem, gonothecae creamy white. Up to 10 cm high.
This is one of the most spectacular and graceful hydroids in southern Australia. Their colonies are present most of year, and become fertile in summer.
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