PORT PHILLIP BAY


Brown Seaweed 

Cystophora xiphocarpa

View scientific description and taxonomy

Scientific Details

Main information sources:
Womersley, H.B.S., (1984-2003). The Marine Benthic Flora of Southern Australia. Part 1-3d. Govt. Printer, South Australia.
Baldock, R.N. 2010. Algae Revealed. South Australian State Herbarium. Website.
AlgaeBase. Website.

Taxonomy

Phylum:
Ochrophyta
Subphylum:
Phaeista
Superclass:
Fucistia
Class:
Phaeophyceae
Order:
Fucales
Family:
Sargassaceae
Genus:
Cystophora
Species:
xiphocarpa

General Description

Long central stalk (stipe) compressed with zigzagged secondary branches arising in an alternating pattern on the central branch face. Branchlets (ramuli) are arranged along secondary or tertiary branches in an alternate pattern, are flat and sword shaped (lanceolate), thinner at the base appearing as a thin stem (petiole). Edges of branchlets appear dimpled. Holdfast at base is a simple and disc-conical shaped. Light to dark brown. Up to 60 cm long (thallus).

Habitat

Shallow subtidal rocky reefs and tidal pools in moderate to rough waters.

Reefs

Coastal shores

Distribution guide

Tasmania and Victoria.

Species Group

Seaweeds and seagrasses Brown algae

Depth

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

Water Column

On or near sea floor

Max Size

60 cm

Diet

Photosynthetic - sunlight

Commercial Species

No

Global Dispersal

Native to Australia

Identify

Conservation Status

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

Author

article author Pocklington, Jacqui

Jacqui Pocklington is a Research Associate with expertise in algal taxonomy.

citation

Cite this page as:
Pocklington, Jacqui, 2011, Brown Seaweed, Cystophora xiphocarpa, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 18 Dec 2017, http://portphillipmarinelife.net.au:8098/species/11302

Text: creative commons cc by licence