General Description

Simple or occasionally branched alga with short side branches (axes), cylindrical in shape and arranged radially along the main stem (axis). Ramuli are unbranched and arranged along the side-branches either irregularly or in 2 rows, ending in 2-3 points. Arises from coarse and spined rhizome (stolon). Dark green. Up to 30 cm long (thallus).

Biology

Tropical species of this genus are used for ornamental decoration in household aquariums.

Habitat

Tidal pools and subtidal reef on rough water coasts, to depth of 35 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Seaweeds and seagrasses › Green algae

Depth

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

Water Column

On or near sea floor

Max Size

30 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