PORT PHILLIP BAY


Common Kelp 

Ecklonia radiata

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:
Laminariales
Family:
Lessoniaceae
Genus:
Ecklonia
Species:
radiata

General Description

Long, straight, flattened central stalk (stipe) with wide, flattened fronds branching outward from either side (alternate). Blades with wrinkled appearance (longitudinally corrugated). Holdfast at base is simple with a few supporting roots (haptera). Tan to dark brown. Up to 2 m long (thallus).

Biology

This is the most common canopy-forming kelp species in Victoria. The deeper occurring specimens of this alga are found in rough waters.

Habitat

Subtidal rocky reefs, common in shallow waters with moderate wave action, to depth of 44 m.

Reefs

Distribution guide

Southern Australia.

Species Group

Seaweeds and seagrasses Brown algae

Depth

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

Water Column

On or near sea floor

Max Size

2 m

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, Common Kelp, Ecklonia radiata, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 21 Sep 2017, http://portphillipmarinelife.net.au:8098/species/11128

Text: creative commons cc by licence