sealord > The common periwinkle is common on the shores of the UK and on the shores of France but virtually absent from the shores of Guernsey, Channel Islands.  In Guernsey the periwinkle is replaced by topshells - particularly the toothed topshell, Oselinus lineata, and the purple or flat topshell, Gibbula umbilicalis.  This is an image of a periwinkle, Littorina littorea, in a tide pool at Cullercoats north of Tynemouth on the North Sea coast of England.  Photographed on the 18 March 2007.
File No. 180307 7099
©RLLord
fishinfo@guernsey.net
sealord > The arminacean nudibranch, Janolus hyalinus, gliding over Corallina officinalis in a shallow tide pool in Belle Greve Bay on Guernsey's east coast on the 17 February 2007.
File No. BG 170207 8-877
©RLLord
fishinfo@guernsey.net
sealord > Two black striped white 'candy striped' flatworms, Prostheceraeus vittatus, can be seen in the lower left of the image under the orange sponge. The blue sponge, Terpios fugax, can be seen on the right side just below the middle of the image.  The erect coralline algae, Corallina officinalis, grows around the orange sponge and foliose coralline algae grows over the rock below.

This image was taken in Belle Greve Bay  on Guernsey's east coast in a rock pool I have named 'crater rock pool' for reference purposes  (See  http://sealord.smugmug.com/gallery/1984411#127980518 ).  Photography on 4 February 2007.
File No. BG 040207 6088
©RLLord
fishinfo@guernsey.net
sealord > The tiny starfish, Asterina phylactica, found at La Valette on Guernsey's east coast in an upper-shore rock pool filled with coralline algae.  This species was first described in 1979.
Photographed on 8 February 2005
File No. 23-766
©RLLord
fishinfo@guernsey.net
The common periwinkle is common on the shores of the UK and on the shores of France but virtually absent from the shores of Guernsey, Channel Islands. In Guernsey the periwinkle is replaced by topshells - particularly the toothed topshell, Oselinus lineata, and the purple or flat topshell, Gibbula umbilicalis. This is an image of a periwinkle, Littorina littorea, in a tide pool at Cullercoats north of Tynemouth on the North Sea coast of England. Photographed on the 18 March 2007.
File No. 180307 7099
©RLLord
fishinfo@guernsey.net
sealord > The common periwinkle is common on the shores of the UK and on the shores of France but virtually absent from the shores of Guernsey, Channel Islands.  In Guernsey the periwinkle is replaced by topshells - particularly the toothed topshell, Oselinus lineata, and the purple or flat topshell, Gibbula umbilicalis.  This is an image of a periwinkle, Littorina littorea, in a tide pool at Cullercoats north of Tynemouth on the North Sea coast of England.  Photographed on the 18 March 2007.
File No. 180307 7099
©RLLord
fishinfo@guernsey.net
The common periwinkle is common on the shores of the UK and on the shores of France but virtually absent from the shores of Guernsey, Channel Islands. In Guernsey the periwinkle is replaced by topshells - particularly the toothed topshell, Oselinus lineata, and the purple or flat topshell, Gibbula umbilicalis. This is an image of a periwinkle, Littorina littorea, in a tide pool at Cullercoats north of Tynemouth on the North Sea coast of England. Photographed on the 18 March 2007.
File No. 180307 7099
©RLLord
fishinfo@guernsey.net
See photo in original gallery.

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