|TUNICATA : PHLEBOBRANCHIA : Ascidiidae||SEA SQUIRTS|
Description: Small solitary sea squirts. Test grey and semi-transparent, zooid with some red marking usually. There are often markings around the siphons in the form of cream and/or red stripes, and often a creamy patch between the siphons. The animal is attached along one side and the base so that both siphons appear to be at about the same level. The test sometimes grows many fibrils, giving it a hairy appearance. Commonly forms dense aggregations. 20-50mm long.
Habitat: Usually in sheltered places with some current. Often attached to other ascidians, bryozoans or algae. Lower shore to 300 m.
Distribution: All around the British Isles and from Norway to the Mediterranean. Particularly common in some Scottish sea lochs.
Similar Species: Superficially similar to small individuals of Ascidiella aspersa, Ascidia mentula etc.
Key Identification Features:
Distribution Map from BioMar data for Ireland - Google Earth map: download this placemark (not got Google Earth installed?)
Distribution Map from NBN: Grid map (fast) : Interactive map (slow, requires login to view records) : National Biodiversity Network mapping facility, data for UK.
|Picton, B.E. & Morrow, C.C. (2015). Ascidiella scabra (O F Müller, 1776). [In] Encyclopedia of Marine Life of Britain and Ireland. |
http://www.habitas.org.uk/marinelife/species.asp?item=ZD1430 Accessed on 2015-5-22
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