(Saint-Joseph, 1894)

Description:
Body cylindrical, slender, with up to 95 chaetigers.
Prostomium bluntly conical, with two relatively large eyes on the posterior half of the prostomium. The eyes are surrounded by small pigment patches. Prostomium with two dorso-lateral lobes. Anterior two achaetous segments dorsally fused. The long, thick palps are inserted on the last achaetous segment. Filamentous gills start at first chaetiger. Gills absent on posterior 14-30 segments.
Chaetae capillary, smooth in anterior segments, smooth and finely serrated in posterior notopodia. Also slightly S-shaped hooks present, starting at neuropodium 10 and notopodium 16 (C. caput-esocis-detail).

Size:
Up to 17 mm for 95 segments.

Colour:
Yellowish-brown, partly with pigmentation near the eyes.

Distribution:
Eastern North Atlantic up to the Mediterranean, Adriatic Sea and Black Sea. English Channel and North Sea.

Kingdom Animalia
Phylum Annelida
Class Polychaeta
Order Cirratulida
Family Cirratulidae
Genus Caulleriella
Species Caulleriella caput-esocis

Status in World Register of Marine Species

Synonym of Chaetozone caputesocis (Saint-Joseph, 1894)

Scientific synonyms and common names

Heterocirrus caput-esocis Saint-Joseph, 1894
Caulleriella caput-esocis Hartmann-Schröder, 1971

Gillandt, L., 1979. Zur Systematik, Autökologie und Biologie der Polychaeten des Helgoländer Felslitorals. Mitt. hamb. zool. Mus. Inst., 76: 19-73.

Hartmann-Schröder, G., 1996. Annelida, Borstenwürmer, Polychaeta. Tierwelt Deutschlands, 58: 1-648.

Kirkegaard, J.B., 1996. Havbørsteorme II. Danmarks Fauna, 86: 1-451.

Saint-Joseph, A. de, 1894. Les annélides polychètes de côtes de Dinard. Ann. Sci. Nat. Paris, (7) 17: 1- 395.

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