Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Distribution map
Links to other Web sites

(Delle Chiaje, 1822)

Description:
Animal with a long, relatively broad body, sligthly tapering at both ends.
Prostomium, short and very broad, with 4 eyes. Anterior pair of eyes larger than posterior pair; with lenses. 3 antennae and 2 palps present. Palps thicker and a little longer than the lateral antennae and with two rings. Lateral antennae thread-like and a longer than the prostomium. Median antenna half the length of the lateral antennae and placed on the anterior edge of the prostomium.
First 3 segments with 6 pairs of long, annulated tentacular cirri. Tentacular cirri placed on long cirrophores. Tentacular cirri sligthly shorter than dorsal cirri.
Parapodia biramous. Dorsal cirri annulated and much longer than the parapodia; ventral cirri finger-shaped, as long as the neuropodia.
Notopodia with 1 acicula. Neuropodia with 1 or 2 aciculae and some branched dorsal chaetae. Ventral bidentate compound chaetae numerous.
Pharynx without papillae or jaws.

Size:
Body up to 70 mm for 55-60 segments.

Colour:
Dorsal more or less chestnut-brown, with four fine white or bluish, yellowish with dark cross-lines. Prostomium white with red or brownish eyes. Cirri white-brown annulated. Ventral side of the body yellowish or brownish, with light median lateral line.

Habitat:
Mostly found on muddy bottoms, moving swiftly in a snake-like manner. Also found on sandy bottoms between shells and holdfasts of seaweeds. Down to 200 m.

Distribution:
North Atlantic, Mediterranean, English Channel, North Sea, Skagerrak, Kattegat up to Öresund.

Ophiodromus flexuosus