It is the largest starfish in southern Australia it has seven to fourteen arms, with eleven being the commonest number. The aboral (upper) surface of the arms has longitudinal rows of short spines along the surface and margins and the oral (lower) surface has two rows of tube feet. The colour is orange mottled with shades of blue, green, grey and reddish-brown. This starfish is prone to shedding its arms, making it asymmetric until new arms have grown

At a glance

Habitat It is common around southern Australia and New Zealand where it is found on rocks, under boulders and in sandy habitats to depths of about 150 m
Size Can reach a diameter of 50 cm
Origin Native
Distribution Its range extends in Australia from Houtman Abrolhos in Western Australia to southern Australia, Tasmania and eastern Australia as far north as Port Denison in Queensland
Descriptions
Distribution
Its range extends in Australia from Houtman Abrolhos in Western Australia to southern Australia, Tasmania and eastern Australia as far north as Port Denison in Queensland
Habitat
It is common around southern Australia and New Zealand where it is found on rocks, under boulders and in sandy habitats to depths of about 150 m
Size
Can reach a diameter of 50 cm
Common Name Eleven-armed Sea Star
Aliases No Known Aliases
Origin Native
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Distribution and map

Distribution provided by The Atlas of Living Australia

Classification

Classification

KingdomAnimalia
PhylumEchinodermata
ClassAsteroidea
OrderForcipulatida
FamilyAsteriidae
GenusCoscinasterias
SpeciesCoscinasterias muricata
Synonyms

Synonyms

There are no known synonyms for this species
References and dates
Original No original text available
Bibliography View page references
Added Wed 10 Jun 2020 @ 00:00 AM
Updated Tue 16 Nov 2021 @ 23:00 PM
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Disclaimer: A lot of work goes into trying to identify and ensure accurate identifications are made, and that the listed Descriptions, Sizes, Habitats and Distribution information is as accurate and valid as possible. Unfortunately, information in this arena is ever changing and as such no guarantee can be offered that it is correct or currently valid — the information is provided as a guide, and it is always suggested that you do a little research to ensure you have the latest and most accurate information. View the references or bibliography. Feedback and comments on the information provided are always welcome.