Tribe:

Chordata

Class:

Ascidiacea

Habitat:

Hard bottom, algae (especially on seaweed)

Occurrence:

Mediterranean, North Sea and north-east Atlantic
from shallow water, often exposed to currents, also tolerates strong waves,

Size:

Appearance:

Very variable colouring: yellow, green, brown, reddish, blue, more reminiscent of sponges.

Behaviour:

In colonies: Forms soft, gelatinous coatings over hard substrates or algae
6 - 12 individuals are arranged in a star shape around a common exhalation opening