Tuesday, 20 October 2015

Shoresearch week 2015 day 4, Prisk Cove, Helford, Highlights in Photos

Discovery of the day a rarely recorded species of hermit crab Pagurus forbesii

very different colour to a common hermit 

He has a distinctive shaped wide claw which acts like a front door and is right handed! 

Beautiful bright green juvenile Ballan wrasse -Labrus bergylta

Ballan wrasse in very different colour variety

Butterfish portrait

Chameleon prawn Hippolyte varians - they can quickly change colour - look for a spike on the top of the rostrum -diagnostic feature

Tiny queen scallop Chlamys varia

Underboulder life - cushion starfish Asterina gibbosa and a small sea ghurkin Pawsonia saxicola

Closeup of a Green sea urchin Psammechinus miliaris
After years of trying Patrick has finally got his eye in and he found two stalked jellyfish in shallow weed filled gullies. here is a Haliclustus octoradiatus - a rarely recorded species in many areas of the UK

And Patrick  also found this Haliclystus octoradiatus growing on Sargassum weed.

Berthella plumula - a really cool sea slug - common name - plumed bertha! this one was approx 20mm but they can grow bigger.

A strange worm found beneath the shore - its undulating movement was very bizzare! I have a video...

Im not very good on identifying Chitons - they are cool animals though - a segmented gastropod, next to it is a pink rayed limpet Tectura virginea- the first I had seen size approx 10mm

Heres another - Perhaps a chiton expert out there will let us know what we were looking at!!

Unusually pale colour form of Rissos Crab Xantho pilipes

And two more colour varieties - they are much more variable than their cousins the Montagu's crabs
But my favorite was this juvenile Xantho pilipes which was only approx one centimetre across the shell! 

Rivularia atra - a rarely seen blue green algae - was abundant on open rock on the mid shore on the edge of the gully

Shore rockling with some harpoon weed

And just so the seaweed people don't feel left out here is a nice cockscomb! 
 Visit the Helford Marine Conservation group website for more info on this fabulous local marine volunteers group

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