Multiple long, thin cylindrical primary branches with secondary branches of varying length (often short). Holdfast disc-like (discoid). Dark red-brown. Up to 60 cm long (thallus).
This species often grows in estuaries and river mouths. It is cultivated for agar production in Chile. It has also been shown to act as a biofilter of soluble nutrients in tests of fish, sea urchin and oyster tank aquaculture.
Tidal pools, shallow subtidal areas, sand/mud flats, mangroves, sheltered waters, to depth of 12 m.
Chile, New Zealand and southern Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed