Anemonefish form mutualistic relationships with the sea anemones they live in and these associations are not random: some species such as the yellow-tail anemonefish (Amphiprion clarkii) are ... Phys.org: Scientists reveal new lineages of giant sea anemones in Japan and their surprising associations with anemonefish Scientists reveal new lineages of giant sea anemones in Japan and their surprising associations with anemonefish