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DescriptionThe cerata of this nudibranch are more swollen than in Cuthona species. The digestive gland is orange pink in colour and the tips of the cerata have a broad white band of tiny epidermal glands. In larger specimens the rhinophores develop a pale orange suffusion. The foot is broad and rounded anteriorly. Large individuals may exceed 20mm in length. Similar in coloration to Cuthona nana but with far less cerata and a quite different habitat.