- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Subclass: Heterobranchia
- Order: Nudibranchia
- Suborder: Euctenidiacea
- Infraorder: Doridacea
- Superfamily: Onchidoridoidea
- Family: Onchidorididae
- Scientific name: Acanthodoris pilosa
- Norwegian: -
Characteristics:
The huge gill bush is characteristic for this species. It has two long, ridged rhinophores. The many small and pointed tubercles give the mantle a furry appearance. The body color is white or pale reddish, sometimes speckled with brown or black blotches. It can reach a length of more than 5 cm.
Habitat:
It is most frequent just below the tidal zone, but has been observed as deep as 170 meters. It feeds on bryozoans.
Distribution:
This species is widespread in the North Atlantic Ocean, on both the European and American side, as well as the North Pacific Ocean.