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Aggregating Anemone

Anthopleura elegantissima


The most widespread species of coastal anemone. Green-brown in the middle with red-green tentacles.


These anemones host several species of photosynthetic and dinoflagellate algae in their tentacles, column and oral disk. The algae and anemone form a mutualistic relationship, benefitting each other in gas exchange, food intake, and even UVR protection!

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Spotted by

Cannon Beach, Oregon, USA

Spotted on Aug 2, 2009
Submitted on Aug 28, 2016

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