PORT PHILLIP BAY


Dog Winkle 

Dicathais orbita (Gmelin, 1791)

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:
Neogastropoda
Superfamily:
Muricoidea
Family:
Muricidae
Subfamily:
Rapaninae
Genus:
Dicathais
Species:
orbita

General Description

Shell white with a short pointed end (spire). Rough ridges around the shell. Shell up to 8 cm long.

Biology

Dog Winkles feed on mussels and barnacles by drilling a hole in the shell, through which they extract the soft body. They can live for 20 years.

Habitat

In crevices on rock platforms and rocky reefs, to depths greater than 10 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Sea snails and shells Snails

Depth

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

Water Column

On or near sea floor

Max Size

8 cm

Diet

Carnivore

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, Dog Winkle, Dicathais orbita, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 19 Oct 2017, http://portphillipmarinelife.net.au:8098/species/10937

Text: creative commons cc by licence