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Waldeckia obesa (Chevreux, 1905)

provided by British Antarctic Survey

Description

Yellow or brown in colour and roundish and squat in outline. Reaches up to 3.5cm long

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Species details

Photos

  • Waldeckia obesa - Waldeckia obesa - Claude De Broyer
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Species distribution

Found down to 660m, but most abundantly in shallow algae, from Sub-Antarctica to the Antarctic Peninsula and Continent

Waldeckia obesa is a necrophage. It eats carrion, usually in a highly decomposed state. Although it lives in sub-tidal waters one of its predators is known to be the Antarctic tern (Sterna vittata). Possibly in this instance predation occurs when carcasses containing amphipods get washed ashore, bringing them within easy reach of the birds.

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