marineLife > sealord  > Nature > Guernsey marine life by major species groups > Guernsey cnidaria
hydrozoa (hydroids), scyphozoa (jellyfish), and Alcyonaria (soft corals, sea fans, & sea pens)

More images of sea anemones (actiniaria) can be seen in the Belle Greve Bay gallery at http://sealord.smugmug.com/gallery/3514797#133517495

Images of jewel anemones, plumose anemones and elegant anemones, Sagartia elegans, can be viewed in the QE II marina gallery at http://sealord.smugmug.com/gallery/3514775#102060423

Images of a large number of beadlet anemones can be seen in the Sark Caves gallery at http://sealord.smugmug.com/gallery/3514757#195151167
Gallery pages:  <  1  2  3  4  5  >  
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sealord > A jewel anemone, Corynactis viridis, from the Queen Elizabeth II Marina, St. Peter Port harbour, Guernsey, Channel Islands, Great Britain. Jewel anemones live on the dark (east) side of the pontoon closest to the marina wall and the marina entrance where the salinity of the seawater is closet to that of the surrounding sea. Photographed on 25 August 2003 File No. 250803 23-700 ©RLLord fishinfo@guernsey.net
sealord > Cladonema radiatum collected from the sea-shore at La Valette on Guernsey's east coast and photographed on 21 July 2004 File No. 12-747 ©RLLord fishinfo@guernsey.net
sealord > The hydroid Ectopleura larynx photographed on a pontoon in the Queen Elizabeth II marina, St. Peter Port habour, Guernsey on 25 August 2003. These hydroids are only visible during the warmer summer months. Hydroid-eating nudibranchs (sea slugs) arrive in the marina to feed on them. File No. 250803 26-699 ©RLLord fishinfo@guernsey.net
sealord > This colony of Ectopleura hydroids was photographed in the Queen Elizabeth 2 marina, St. Peter Port harbour, Guernsey on 1 June 2006. According to Dr. Peter Schuchert from the Muséum d'histoire naturelle in Geneva (who is an authority on these animals) this species is most likely Ectopleura larynx but it could be Ectopleura crocea. The two species are difficult to tell apart in the field. E. crocea is the rarer of the two species. These hydroids grow on the darker side of the pontoons close to the mouth of the marina. Dr. Shuchert tells me that similar species in the genus Tubularia have no collar under the hydranth body. A collar is clearly present in the hydranth in the upper right corner of the image so these animals are in the genus Ectopleura. File no. 010606 33-853 ©RLLord fishinfo@guernsey.net
sealord > This image shows the hydranth of a hydroid in the genus Ectopleura and most probably the species Ectopleura larynx. There are a similar number of aboral and boral tentacles. The hydroid possesses a collar under the body of the hydranth. This hydroid was photographed in the Queen Elizabeth 2 marina, St. Peter Port harbour, Guernsey on 1 June 2006 using a Canon camera with a 100 mm macro lens and a bellows to increase magnification. The image was taken by leaning over the edge of the pontoon and looking into the water. File No. 30-853 ©RLLord fishinfo@guernsey.net
sealord > The hydroid, candelabrum cocksii, attached to a boulder on the lower sea-shore at La Valette on Guernsey's east coast. Photographed on 22 August 2001. This is one of the most unusual and exotic species I have seen on the Guernsey seashore. This hydroid feeds on small crustaceans such as tanaids and amphipods. The cells lining the column contain stinging cells, which immobilise the small crustacean prey. The column greatly elongates and wraps around the prey to immobilise and disgest it. File No. 18-497 ©RLLord fishinfo@guernsey.net
sealord > A Beadlet anemone, Actinia equina, in a shallow, sand filled pool in Havelet Bay on the south side of St. Peter Port on Guernsey's east coast. This anemone with its tentacles extended shows the bright blue acrorhagi (singular: acrorhagus) which have nematocysts (stinging cells) which are used aggressively towards other anemones. Photographed on 22 March 2003 ©RLLord fishinfo@guernsey.net
sealord > This gem anemone, Aulactinia verrucosa, was photographed in a tide pool at La Valette on Guernsey's east coast on 8 June 2005. Gem anemones are species of the upper seashore. Beadlet anemones also live at a high level on the shore. Many beadlet anemones live on open rock faces. They can prosper in areas exposed to air for hours each day. Gem anemones, on the other hand, live in upper shore rock pools. They need moisture. Although they can withdrawn their tentacles into their column they do not tolerate desiccation. Gem anemones live predominately in pools with crustose and erect coralline algae. File No. 080605 4-777 ©RLLord fishinfo@guernsey.net
sealord > The small but beautiful gem anemone, Aulactinia verrucosa, lives in rock pools on the upper shore. This one was photographed in a green seaweed (Ulva sp.) filled rock pool at La Valette on Guernsey's east coast. As the tide was out the anemone had withdraw its tentacles. The rows of warts or verrucae on the column help identify this species. The closed anemone resembles the shell or test of a sea urchin. Photographed on 8 February 2005. File No. 080205 35-766 ©RLLord fishinfo@guernsey.net
The small but beautiful gem anemone, Aulactinia verrucosa, lives in rock pools on the upper shore. This one was photographed in a green seaweed (Ulva sp.) filled rock pool at La Valette on Guernsey's east coast. As the tide was out the anemone had withdraw its tentacles. The rows of warts or verrucae on the column help identify this species. The closed anemone resembles the shell or test of a sea urchin. Photographed on 8 February 2005.
File No. 080205 35-766
©RLLord
fishinfo@guernsey.net
> The small but beautiful gem anemone, Aulactinia verrucosa, lives in rock pools on the upper shore. This one was photographed in a green seaweed (Ulva sp.) filled rock pool at La Valette on Guernsey's east coast. As the tide was out the anemone had withdraw its tentacles. The rows of warts or verrucae on the column help identify this species. The closed anemone resembles the shell or test of a sea urchin. Photographed on 8 February 2005. File No. 080205 35-766 ©RLLord fishinfo@guernsey.net
The small but beautiful gem anemone, Aulactinia verrucosa, lives in rock pools on the upper shore. This one was photographed in a green seaweed (Ulva sp.) filled rock pool at La Valette on Guernsey's east coast. As the tide was out the anemone had withdraw its tentacles. The rows of warts or verrucae on the column help identify this species. The closed anemone resembles the shell or test of a sea urchin. Photographed on 8 February 2005.
File No. 080205 35-766
©RLLord
fishinfo@guernsey.net
Other sizes: Small • M • L • O |
filename: gem anemone Aulactinia verrucosa closed LaV 080205 35-766 smg |
Keywords: seashore marine life marine species la valette guernsey marine life la vallette gem anemone channel islands marine life atlantic species seashore species guernsey marine species english channel life aulactinia verrucosa closed column withdrawn tentacles
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