| Family: |
Polymastiidae () |
| Max. size: |
|
| Environment: |
sessile; marine; depth range 18 - 1226 m |
| Distribution: |
Southern Ocean and the Antarctic: Antarctica, Kerguelen Island, and Terre Adélie. |
| Diagnosis: |
Greenish gray to yellow. Hemispherical and bristly, with until 2 large conical papillae that contracts when disturbed. Up to 11 cm in diameter (Ref. 089939). |
| Biology: |
Common on cliffs and hard surfaces. Also settles on small stones then extend out onto to the mud. Apparently able to remove sediment build-up by contraction and relaxation. Suspension feeder; preyed upon by starfishes. Larvae disperse by crawling (Ref. 089939). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. 123251)
|
| Threat to humans: |
harmless |
| Country info: |
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