PORT PHILLIP BAY


Red Seaweed 

Gracilaria chilensis

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:
Gracilariales
Family:
Gracilariaceae
Genus:
Gracilaria
Species:
chilensis

General Description

Multiple long, thin cylindrical primary branches with secondary branches of varying length (often short). Holdfast disc-like (discoid). Dark red-brown. Up to 60 cm long (thallus).

Biology

This species often grows in estuaries and river mouths. It is cultivated for agar production in Chile. It has also been shown to act as a biofilter of soluble nutrients in tests of fish, sea urchin and oyster tank aquaculture.

Habitat

Tidal pools, shallow subtidal areas, sand/mud flats, mangroves, sheltered waters, to depth of 12 m.

Reefs

Coastal shores

Soft substrates

Distribution guide

Chile, New Zealand and southern 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

60 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, Gracilaria chilensis, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 30 Mar 2017, http://portphillipmarinelife.net.au:8098/species/12307

Text: creative commons cc by licence