Unlike the beadlet and strawberry anemone this species does not retract its tentacles and relies on suitable positioning to remain either within a rockpool or under cover until the tide returns.
Like other species this large anemone has a basal foot which allows it to move slowly into an alternative position if necessary. Its long green tentacles are armed with thousands of sting cells which are used to paralyse their prey which generally includes anything that the anemone can over come and drag into its mouth. Underwater its green body appears brighter and the purple tips of the animals tentacles are more prominent. Out of the water the tentacles are unable to support their weight and hang limp like a tangle of threads - in this state their colour can appear quite brown and grey.
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