• Norwegian: -


The body length may reach 26 mm. The coloration is very characteristic for this species. The cerata are dark green with a blue pigmented band on the upper half. The white tips are covered by a bright orange band. The body color is translucent white. The cerata are arranged in crosswise rows of approximately ten in each.


It feeds on hydroids, well below the tidal zone.


It can be found along the coasts of Europe, from Trøndelag, Norway to the western Mediterranean. There are also some registration from the western parts of the Atlantic Ocean.