PORT PHILLIP BAY


Red Seaweed 

Corallina officinalis

View scientific description and taxonomy

Scientific Details

Can be confused with some forms of Jania rosea although C. officinalis has more middle tiers on each segment that usually grow from each intergeniculum.

Main information sources:
(Ewers, 2005 and Ewers et al., 1987)
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:
Corallinophycidae
Order:
Corallinales
Family:
Corallinaceae
Subfamily:
Corallinoideae
Genus:
Corallina
Species:
officinalis

General Description

Fully (complinately) branched with branches arranged on each side of one axis (pinnate). Branches have regular flexible joints (intergeniculum). Arises from a calcified crust (crustose). Red-purple through to fading grey. Up to 6 cm long (thallus).

Biology

This species name "officinalis" refers to use of this seaweed in medicine, as with other species that contain that name. It was used in early Europe to expel intestinal worms and it is still used in medicine today when dried and converted to a substance used in bone grafting.

Habitat

Sublittoral (low intertidal), tidal pools and subtidal rock reef, exposed coasts, to depth of 19 m.

Reefs

Coastal shores

Distribution guide

Worldwide.

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

6 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, Corallina officinalis, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 29 May 2017, http://portphillipmarinelife.net.au:8098/species/11186

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