Simple to irregularly branched alga arising from slender naked runner (stolon). Branchlets (ramuli) flat and straight to slightly curved ending in a spiny tip. Arranged in an alternate pattern on opposite sides of main stem (axis) on one plane. Medium green. Up to 10 cm long (thallus).
Tropical species of this genus are used for ornamental decoration in household aquariums.
Deep subtidal reefs, to depth of 40 m.
South Australia and Victoria.
Photosynthetic - sunlight
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed