Distribution: It is not the most common of sponges along the Norwegian coast, but registrations have been made all the way from Vestfold to Troms. It can be found on any depth from 3 to 1000 meters. It prefers hard substrate and is usually seen in steep walls.
Characteristics: This tube or even bell formed sponge can reach a length of 15 cm. It is connected to the base by a hard, but flexible stalk. It may consist of more than one tube.
All pictures:
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(Ingdalen -
The Trondheim fjord / 3.12.2005 / 31
meters)