• Norwegian: -


The color is white, yellow or pale brown with characteristic dark brown spots. The small, fingerlike tubercles give the mantle a smooth appearance. The flattened body may reach a length of 5.5 cm. The spawn has the appearance of a coiled ribbon.


It seems to thrive on all kinds of substrates from the subtidal zone and down to 400 meters. It feeds on sponges like Halichondria spp and Haliclona spp.


It can be found along the Atlantic coasts of Europe, from Troms, Norway to Portugal and Morocco.