| 词条 | Pycnoclavella diminuta |
| 释义 |
|image=Pycnoclavella diminuta 01.jpg |image_caption=Pycnoclavella diminuta in Occidental Mindoro, Philippines |genus=Pycnoclavella |species=diminuta |authority=(Kott, 1957)[1] |synonyms={{species list |Archidistoma diminuta|(Kott, 1957) |Archidistoma diminutum|(Kott, 1957) |Archidistoma richeri|Monniot, 1988 |Archidistoma rubripunctum|Monniot, 1988 |Clavelina diminuta|Kott, 1957 |Clavelina nodula|Kott, 1972 }} }}Pycnoclavella diminuta, known as the white-spotted sea squirt, white-spot ascidian,[1] and white-spotted ascidian,[2] is a species of tunicate (sea squirt), in the genus Pycnoclavella. Like all ascidians, these sessile animals are filter feeders.[3] DescriptionPycnoclavela diminuta lives in colonies composed of small clusters of zooids that originate from a common stalk. Each zooid is approximately {{cvt|0.5–1|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 Pycnoclavella flava (formerly Clavina flava), which may also have white spots.[2][4] But Pycnoclavela diminuta can be differentiated in that the spots are always clearly defined and always constant.[2] DistributionThis species occurs in numerous locations, including:[2]
BehaviourPycnoclavella diminuta is a sessile suspension feeder.[1]HabitatThis ascidian lives in depths from 5 to 20 metres[1] in the benthic zone in caves and under ledges.[2][5] It often occurs in environments with soft corals such as Dendronephthya and Scleronephthya.[2] References1. ^1 2 3 4 http://www.saltcorner.com/AquariumLibrary/browsespecies.php?CritterID=3444 2. ^1 2 3 4 5 {{cite web |url=http://www.seadb.net/en_White-spotted-ascidian-Clavelina-diminuta_278.htm |title=White-spotted ascidian |accessdate=2011-02-19 |deadurl=yes |archiveurl=https://web.archive.org/web/20110209113409/http://seadb.net/en_White-spotted-ascidian-Clavelina-diminuta_278.htm |archivedate=2011-02-09 |df= }} 3. ^WoRMS - World Register of Marine Species - Pycnoclavella diminuta (Kott, 1957) 4. ^{{cite WoRMS |year=2018 |title=Clavelina flava |id=250310 |accessdate=2018-11-26 |db=Ascidiacea}} 5. ^1 http://www.sealifebase.org/Summary/speciesSummary.php?GenusName=Archidistoma&SpeciesName=richeri 6. ^http://www.sealifebase.org/summary/speciessummary.php?id=93835 Further reading
2 : Enterogona|Animals described in 1957 |
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