It is the only species in the genus Plectaster. This five-armed starfish is distinguished by its very bright colors. A group of raised yellow ridges covers its red upper surface and it is soft in texture.

Poisonous :Plectaster decanus is one of the few poisonous sea stars, and can cause numbness in humans if it is carried for any length of time

At a glance

Habitat Amongst rocks and algae in sub-tidal areas, to depth of 200 m
Size A maximum isze of 24cm
Origin Native
Distribution Southern coast of Australia
Descriptions
Distribution
Southern coast of Australia
Habitat
Amongst rocks and algae in sub-tidal areas, to depth of 200 m
Size
A maximum isze of 24cm
Common Name Mosaic Seastar
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
OrderSpinulosida
FamilyEchinasteridae
GenusPlectaster
SpeciesPlectaster decanus
Synonyms

Synonyms

There are no known synonyms for this species
References and dates
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Added Sat 13 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.