Flower-like with up to 40 tentacles radiating from the head (hydranth). Stem up to 10 cm long.
This species is the largest hydroid in Australian waters. They usually form small groups of well separated individuals.
Sheltered areas of oceans and bays.
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