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Pycnoclavella diminuta
''Pycnoclavella diminuta'', common names white-spotted sea squirt, white-spot ascidian,〔
and white-spotted ascidian〔http://www.seadb.net/en_White-spotted-ascidian-Clavelina-diminuta_278.htm〕 is a species of tunicate (sea squirt), in the genus ''Pycnoclavella''. Like all ascidians, these sessile animals are filter feeders.〔(WoRMS - World Register of Marine Species - Pycnoclavella diminuta (Kott, 1957) )〕
==Description==
''Pycnoclavela diminuta'' lives in colonies composed of small clusters of zooids that originate from a common stalk. Each zooid is approximately 0.5 to 1 cm in length. They are golden yellow-orange in colour and have white spots. The spots vary in shape and size, but are well defined, and are consistent throughout the colony.
This species can be confused with ''Clavelina flava'', which may also have white spots. But ''Pycnoclavela diminuta'' can be differentiated in that the spots are always clearly defined and always constant.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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