Brown Seaweed

Description:

This attractive sea weed had a zig-zagging tough central stalk with small densely clustered bladder like blades, arising at points in the zig-zag. Some blades had a bifurcation. The whole body of the seaweed was a brownish green with dark brown tinges.

Habitat:

Spotted along the high tide mark on a snady shore, along with other sea weeds - Western Port Bay
Occurrence record:
https://bie.ala.org.au/species/NZOR-4-65...

Notes:

Said to grow in the low intertidal and shallow subtidal rocky reefs with moderate wave action, to depth of 10 m.
class: Phaeophyceae
order : Fucales
family : Cystoseiraceae