Pink Anemonefish
Photograph by Wolcott Henry, National GeographicMany fish are wise to give sea anemones a wide birth, lest they feel their venomous sting, but a mucus layer allows anemonefish to acclimatize themselves to the tentacles’ toxins. These fish thrive under anemone protection, and they pay their hosts back by eating parasites and stirring water circulation with their fins.
(via canadiangoddess-deactivated2011)
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