General Description

Fronds are flattened (compressed) becoming sub-cylindrical (sub-terete) lower. Numberous irregular, radial and spiral branching. Horned (bicuspid) branch tips (ramuli). Base is entangled with curved tendrils and hooks for attachment. Medium to dark brown. Up to 25 cm long (thallus).

Biology

This species attaches to hard surfaces or grows as an epiphyte on other species. It is eaten by abalone including Haliotis lavigata and Haliotis rubra.

Habitat

Shallow subtidal areas, to depth of 13 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Seaweeds and seagrasses › Brown algae

Depth

Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

25 cm

Diet

Photosynthetic - sunlight

Commercial Species

No

Global Dispersal

Native to Australia

Identify

• Seaweeds and seagrasses

Conservation Status

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