PORT PHILLIP BAY


Marine Snail 

Austrolittorina unifasciata (Gray, 1826)

View scientific description and taxonomy

Scientific Details

See below for information.

Source: Museum Victoria (2006) Melbourne's wildlife: a field guide to the fauna of greater Melbourne. Museum Victoria and CSIRO Publishing.

Taxonomy

Phylum:
Mollusca
Subphylum:
Conchifera
Superclass:
Visceroconcha
Class:
Gastropoda
Subclass:
Orthogastropoda
Superorder:
Caenogastropoda
Order:
Sorbeoconcha
Suborder:
Hypsogastropoda
Infraorder:
Littorinimorpha
Superfamily:
Littorinoidea
Family:
Littorinidae
Genus:
Austrolittorina
Species:
unifasciata

General Description

Shell smooth, pale blue-grey, and brown at the point (apex). Shell up to 1 cm long.

Biology

Australwinks cluster in large numbers on rock faces at the highest points on rock platforms. They feed primarily on lichens, eating when the rocks are moistened by sea spray.

Habitat

Exposed reef and cliff faces above the high tide mark.

Reefs

Coastal shores

Distribution guide

Western and southern Australia.

Species Group

Sea snails and shells Snails

Depth

Shore (0-1 m)

Water Column

On or near sea floor

Max Size

1 cm

Diet

Herbivore

Commercial Species

No

Global Dispersal

Native to Australia

Conservation Status

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

Author

article author Patullo, B.

Blair Patullo is Online Producer for marine projects at Museum Victoria.

citation

Cite this page as:
Patullo, B., 2011, Marine Snail, Austrolittorina unifasciata, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 19 Sep 2017, http://portphillipmarinelife.net.au:8098/species/10941

Text: creative commons cc by licence