marineLife > sealord  > Nature > Guernsey marine life by major species groups > Guernsey ascidians
Solitary, colonial and compound ascidians, which are also known as sea squirts or tunicates, in the class ascidiacea
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sealord > The ascidian Ascidia mentula is common in the Queen Elizabeth 2 marina in St. Peter Port, Guernsey. Photographed on 30 August 2005. File No. 2-795 ©RLLord fishinfo@guernsey.net
sealord > The compound ascidian, Botrylloides leachi, forming chains of zooids on the base of a boulder at La Valette on Guernsey's east coast. File No. 10-45 ©RLLord fishinfo@guernsey.net
sealord > Ascidiella scabra from the Queen Elizabeth 2 marina in St. Peter Port, Guernsey. Photographed on 19 September 2004. ©RLLord fishinfo@guernsey.net
sealord > One of the most elegant looking ascidian is the light-bulb sea squirt, Clavelina lepadiformis, which was photographed in the Queen Elizabeth 2 marina, St. Peter Port, Guernsey. This image shows boluses headed for expulsion via the atrial siphon. Photographed on 25 August 2003. File No. 6-700 ©RLLord fishinfo@guernsey.net
sealord > This image shows two common species of ascidian found on the Guernsey sea shore. The reddish-brown compound ascidian on the left of the image is Botrylloides leachi and the blue and white zooids on the right are the star ascidian, Botryllus schlosseri. The Botryllus schlosseri colony at the top right of the image is made up of about 13 individual zooids. File No. 36-565 ©RLLord fishinfo@guernsey.net
sealord > The colonial ascidian Mogula sp., from the Queen Elizabeth 2 marina, St. Peter Port, Guernsey on 19 September 2005. File No. 24-797 ©RLLord fishinfo@guernsey.net
sealord > Perophora japonica is an invasive ascidian, which was first recorded in Guernsey waters from a Clive Brown crab pot off the south coast of Guernsey on 8 October 2003. This colonial ascidian has since been found in the Victoria marina in St. Peter Port, Guernsey. Photographed on 8 October 2003. File No. 14-709 ©RLLord fishinfo@guernsey.net
sealord > The compound star ascidian, Botryllus schlosseri, is found all year long on the Guernsey seashore but the colonies are much larger and more noticeable during the summer months. Each zooid in this photo has a red spot. The zooids form rings which gives them their common name, star ascidian. The oral siphon is on the edge of the ring and the atrial siphon opens to a common cloaca in the centre of each ring of zooids. Photographed on 6 September 1998. File No. 14-238 ©RLLord fishinfo@guernsey.net
sealord > The compound ascidian Botrylloides leachi photographed on the base of a boulder at La Valette on Guernsey's east coast. ©RLLord fishinfo@guernsey.net
Ascidiella scabra from the Queen Elizabeth 2 marina in St. Peter Port, Guernsey.
Photographed on 19 September 2004.
©RLLord
fishinfo@guernsey.net
> Ascidiella scabra from the Queen Elizabeth 2 marina in St. Peter Port, Guernsey. Photographed on 19 September 2004. ©RLLord fishinfo@guernsey.net
Ascidiella scabra from the Queen Elizabeth 2 marina in St. Peter Port, Guernsey.
Photographed on 19 September 2004.
©RLLord
fishinfo@guernsey.net
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filename: Ascidiella scabra QEII marina 190904 290904 smgb |
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Keywords: harbour seashore tunic tunicate sessile marine life ascidian sea life sea squirts sea shore ocean life sea squirt st peter port guernsey marine life ascidiella ascidiacea oral siphon atrial siphon british marine life queen elizabeth 2 marina channel islands marine life european marine life ascidiella scabra solitary ascidian solitary sea squirt sessile tunicates
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