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Sea strawberry soft coral

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Sponge & Cnidarian

Sea strawberry soft coral

Gersemia rubiformis (Ehrenberg, 1834)

WoRMS AphialID

156103

Sample IDs

Collected

St Lawrence River, Quebec and Labrador.

Distinguishing Features

• Colonies form pink, erect structures with several branches off a central stalk. They are normally five to 15 centimetres high but can be up to 25 centimetres.
• When inflated, branches are thick, swollen, and semi-transparent.
• When disturbed, the colony contracts to form a tough cauliflower-like lump that is only a few centimetres high.

Habitat

Often found in rock and boulder habitats, as colonies need a hard substrate for attachment. Often found on small stones or shell fragments in high-current areas. Sublittoral, to depths greater than 2 000 m.

Geographic Range

Widespread, boreal-arctic species found in both Pacific and Atlantic Oceans. Present in almost all Arctic seas but also reported from as far south as California.

Fun Fact

Large aggregations of sea strawberries are known as strawberry grounds. They are an important habitat for lobsters and juvenile basket stars.

Barcode Distribution

BIN contains many species of Octocorals and Anthozoans.

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