Cylindrical branches with irregular branching forming entangled mats. Holdfast at base is a root-like (rhizoidal) mass. Brown to dark red-brown. Up to about 2 cm long (thallus).
Can form large beds or mats on intertidal rocky shores, often in combination with the aggregating mussel Limnoperna pulex and with the tube worm Galeolaria caespitosa.
Intertidal rocky reefs, on rough and sheltered water coasts.
New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed