Thickened (robust) form. Secondary branching which is often restricted to one side and is irregular. Tips becoming slender almost to a point. Medium to dark red fading to yellow. Up to 30 cm long (thallus).
Some species in this family (Gracilariaceae) are very important commercially as they provide most of the world's agar. They can withstand being covered by sand for extended periods.
Tidal pools, subtidal areas, estuaries, on open coasts, to depth of 13 m.
New Zealand and Australia.
Photosynthetic - sunlight
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed