PORT PHILLIP BAY


Chiton 

Ischnochiton elongatus (Blainville, 1825)

View scientific description and taxonomy

Scientific Details

Suborder and Family level characters:
Tegmentum always present.
Anterior valve with 6 or more slits.
Insertion plates not pectinate.
Posterior valve without terminal sinus.

Sources:
Macpherson, J. H. and Gabriel, C. J. (1962) Marine Molluscs of Victoria.
Kass, P., Jones, A. M. and Gowlett-Holmes, K. L. (1998) Polyplacophora, in: Mollusca: the southern synthesis, Australian Biological Resources Study.

Taxonomy

Phylum:
Mollusca
Class:
Polyplacophora
Order:
Neoloricata
Suborder:
Ischnochitonina
Family:
Ischnochitonidae
Subfamily:
Ischnochitoninae
Genus:
Ischnochiton
Subgenus:
Ischnochiton
Species:
elongatus

General Description

Flattened oval shaped body with 8 shell sections (valves) surrounded by a fleshy girdle. Body pattern varies, usually black with a white stripe along the middle. Other patterns include dark green, red, blue, brown to cream and with dots or V-shaped markings. Up to 4 cm long.

Biology

This species grazes on algae and animals that encrust rocks. There are a number of related species in Victorian waters.

Habitat

Under rocks in tidal pools and shallow subtidal rocky reefs, to depth of 16 m.

Reefs

Coastal shores

Distribution guide

South-eastern Australia.

Species Group

Sea snails and shells Chitons

Depth

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

Water Column

On or near sea floor

Max Size

4 cm

Diet

Omnivore

Commercial Species

No

Global Dispersal

Native to Australia

Identify

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, Chiton, Ischnochiton elongatus, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 25 Sep 2017, http://portphillipmarinelife.net.au:8098/species/7838

Text: creative commons cc by licence