• Norwegian: -


The color is white with splashes of brown on the mantle. It can grow to a length of 4 cm.


It can be found on rocky locations from the subtidal zone and down to 20 meters. As the name indicates, the main diet is barnacles.


The barnacle-eating Onchidoris is widespread in the North Atlantic Oceans. There are registrations from North-America, Greenland, Iceland, The White Sea, Norway, the British Isles and France.