Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is feather-like (pinnate). Colour: honey brown, gonophores often creamy pink. Up to 1 cm high.
These hydroids occur seasonally in spring and summer.
Oceanic, epiphytic on firm-textured red algae, sometimes on brown algae.
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