General Description

Main axis has long secondary branches which have multiple tertiary branches (laterals) arranged in a radial pattern. Holdfast at base is root-like (rhizoidal). Dark brown-red to yellowed almost grey when sandy. Up to about 6 cm long (thallus).

Biology

This seaweed is often noticeable in sandy shallow tidal pools where it accumulates sand and may look like a branched, grey pipe-cleaner.

Habitat

Intertidal rocky reefs, tidal pools and shallow subtidal reefs on moderate water coasts.

Reefs

Coastal shores

Soft substrates

Distribution guide

New Zealand and Australia.

Species Group

Seaweeds and seagrasses › Red algae

Depth

Shore (0-1 m)
Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

6 cm

Diet

Photosynthetic - sunlight

Commercial Species

No

Global Dispersal

Recorded in Australia

Identify

• Seaweeds and seagrasses

Conservation Status

• DSE Advisory List : Not listed
• EPBC Act 1999 : Not listed
• IUCN Red List : Not listed