General Description
Adults with between 10 and 25 arms. Colour orange, brown or yellow, but occasionally purple or white or with bright green tips to the arms. The anal cone is centrally placed on the disc and the mouth lies to one side. The oral pinnules are relatively long and have paired teeth on segments near the tip. Arm up to 23 cm long.
Biology
This is the most conspicuous species of crinoids in southern Australia. The body is usually kept hidden in a rock crevice, with only the long arms reaching out into the water to feed.
Distribution
Southern Australia.
Habitat
Rocky subtidal reefs, usually in areas with strong wave action or currents, in depths of 0-70 m.
More Information
-
Animal Type
-
Animal SubType
-
Brief Id
Ten to 25 arms, mouth to one side of disc, long cirri.
-
Maximum Size
23 cm
-
Habitats
-
Diet
Plankton or Particles
-
Endemicity
-
Commercial
No
-
Conservation Statuses
DSE Advisory List: Not listed, EPBC Act 1999: Not listed, IUCN Red List: Not listed
-
Depths
Shore (0-1 m), Shallow (1-30 m), Deep ( > 30 m)
-
Water Column Locations
On or near seafloor
-
Taxon Name
-
Scientific Author
(Müller, 1846)
-
Common Name
Feather Star
-
Other Names
Crinoid
-
Phylum
-
Subphylum
-
Class
-
Subclass
-
Order
-
Family
-
Genus
-
Species Name
trichoptera