PORT PHILLIP BAY


Biscuit Star 

Tosia magnifica (Müller & Troschel, 1842)

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

Phylum:
Echinodermata
Class:
Asteroidea
Order:
Valvatida
Family:
Goniasteridae
Genus:
Tosia
Species:
magnifica

General Description

Arms 5, arm rays merge with disc, pentagonal. Up to 20 large plates around the edge between arm tips. Plates on oral surface underneath near the mouth with dense granules. Centre to arm tip up to 8 cm.

Biology

This large biscuit star is rarely seen and little is known of its biology.

Habitat

Sub-tidal rocks and sediment, to depth of 200 m.

Reefs

Soft substrates

Distribution guide

South-eastern Australia.

Species Group

Seastars and allies Sea stars

Depth

Shallow (1-30 m)
Deep ( > 30 m)

Water Column

On or near sea floor

Max Size

16 cm

Diet

Omnivore

Commercial Species

No

Global Dispersal

Native to Australia

Species Code

MoV 1644

Identify

Conservation Status

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

Author

article author O'Loughlin, P. M.

Mark O'Loughlin is an Honorary Associate in marine invertebrates at Museum Victoria.

citation

Cite this page as:
O'Loughlin, P. M., 2011, Biscuit Star, Tosia magnifica, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 18 Nov 2017, http://portphillipmarinelife.net.au:8098/species/7775

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