Distribution in scandinavian waters
Maximum length: The tubeworm can be up to 6,5 mm long and the
tube spiral can be 4 mm in diametre.
Appearance: The tube of the tubeworm is rolled together into
a spiral form, rather like a white seashell. The tube is devoid of a
longitudual ridge, but has an edge that lies slightly against the substrate.
The body is green, while the crown of tentacles are colourless with
a greenish shimmer.
Depth: 0-280 m.
Environment: Spirorbis spirorbis thrives on toothed
wrack, but is often found on bladder
wrack , oarweed,
wrack and quite a few other specie. Closely related specie can also
be found on rocks and mussel shells.
Classification: Spirorbis spirorbis is a member of the
segmented worm group under the polychaetes.