PORT PHILLIP BAY


Red Seaweed 

Laurencia elata

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:
Rhodophyta
Subphylum:
Eurhodophytina
Class:
Florideophyceae
Subclass:
Rhodymeniophycidae
Order:
Ceramiales
Family:
Rhodymeniaceae
Genus:
Laurencia
Species:
elata

General Description

Flattened, cartilaginous and branched on one plane (complanate). Multiple secondary branches (laterals) arranged in alternate pattern, often overlapping, with squared (truncate) tips. Disc shaped to root-like holdfast. Medium to dark red. Up to 40 cm long (thallus).

Biology

This red seaweed can appear almost green in intertidal areas due to increased exposure to light that bleaches its colour.

Habitat

Intertidal and subtidal reefs, to depth of 25 m.

Reefs

Coastal shores

Distribution guide

South Africa, Tanzania, New Zealand and Australia.

Species Group

Seaweeds and seagrasses Red algae

Depth

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

Water Column

On or near sea floor

Max Size

40 cm

Diet

Photosynthetic - sunlight

Commercial Species

No

Global Dispersal

Recorded in 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, Red Seaweed, Laurencia elata, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 19 Oct 2017, http://portphillipmarinelife.net.au:8098/species/11328

Text: creative commons cc by licence