(Montagu, 1808)
Description:
Body semicylindrical, flattened anteriorly and posteriorly.
Prostomium bluntly conical, adult without eyes. Anterior three achaetous segments frequently fused to two segments. Many pairs of long filamentous palps in two groups on the 6-7th chaetiger, rarely at 4-5 chaetiger.
Filamentous gills, starting at first chaetiger (C. tentaculata-anterior end).
Chaetae capillary. In middle and posterior notopodia 4-5 additional thin hooks and on middle and posterior neuropodia 2-3 thicker and darker unidentate hooks (C. tentaculata-detail).
Size:
Up to 200 mm for 300 segments.
Colour:
Orange-yellow, reddish brown or yellowish-green, with red gills and palps.
Distribution:
Pacific, Indian Ocean, Atlantic up to Mediterranean and Black Sea, English Channel, North Sea, Skagerrak and Kattegat.