(Linnaeus, 1758)
Description:
Similar to Circeis armoricana but talon more slender in side-view.
Collar chaetae less geniculate with teeth not confined to the margin and arranged in serried ranks across the side (cross-striations).
Size:
Up to 23 chaetigers.
Tube:
Usually helically coiled as it grows away from the substratum, with translucent walls showing the orange body within.
Colour:
Transparent to orange-red.
Habitat:
On hydroids and bryozoans in strong currents; sublittoral.
Distribution:
Arctic, North Pacific, North Atlantic to Azores, North Sea, Skagerrak, Kattegat, Öresund and Bay of Kiel. California.