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Old 26-11-2011, 12:58 AM
Marineboy's Avatar
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Wembury Rockpooling Report - Part One

Note: A visit to Wembury produced too many photographs to include in a single post - so this is part one of two parts to Wembury Rockpooling.


Today, I visited Wembury, on the south Devon coast, not far from Plymouth. The day was still, bright, with blue sky and sunshine, and very mild for the end of November. I was on the beach maybe an hour and a half before low water, but still felt "rushed" as the tide turned. A bit more time, or another visit with snorkelling gear and the spider crabs should be on the list too.
Hopefully following is a list and photographs of the species found during the low tide today, 25th November 2011.

Species found, and photographed, include-

Broad Clawed Porcelain Crab, Porcellana platycheles
Long Clawed Porcelain Crab, Pisidia longicornis
Green Shore Crab, Carcinus maenas
Edible Crab, Cancer pagurus
Velvet Swimming Crab, Necora puber
Common Hermit Crab, Pagurus bernhardus
Hairy Crab, Pilumnus hirtellus
Furrowed Crab, Xantho pilipes
Furrowed Crab, Xantho incisus
Squat lobster, Galathea squamifera
Common Prawn, Palaemon serratus
Isopod, Idotea baltica (and others)

Green Sea Urchin, Psammechinus miliaris
Spiny Starfish, Marthasterias gracialis
Brittle Star, Ophiothrix fragilis
Cushion Star, Asterina gibbosa
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I must go down to the sea again - for the tide, and the sea-gulls crying.
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Old 26-11-2011, 01:09 AM
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Re: Wembury Rockpooling Report - Part One

This, hopefully is Part Two

Other species found, (photographs at the end), were:

Butterfish, Pholis gunnellus
Cornish Clingfish, Lepadogaster lepadogaster
Worm Pipefish, Nerophis lumbriciformis
Rock Goby, Gobius paganellus
Five Bearded Rockling, Ciliata mustela
Common Blenny/Shanny, Lipophrys pholis

Snakelocks Anemone, (green, brown and grey), Anemonia viridis
Beadlet Sea Anemone, Actinia equina

Segmented worms, Lagisca extenuata?
Common Grey Sea Slug, Aeolidia papillosa
Painted Topshell, Calliostoma zizyphinum
Chiton, Acanthochitona crinitus?

There are of course, all of the usual winkles, whelks, limpets, barnacles, sponges and a very long list of seaweeds.

It was nice to find the two species of furrowed crabs, Xantho pillipes and Xantho incisus. Very similar at first sight, but are identified by the fringe of hairs on the legs of X.pilipes, absent in X.incisus, and a difference in the contours of the carapace and notches between the eyes.

The rock goby, Gobius paganellus, is a new to me - similar to the common blenny, but look closely, it has scales. The blenny looks slippery and scaleless. The position of the dorsal and pectoral fins are different too.

The five bearded rockling, Ciliata mustela, does have five "feelers" on the front, and is a member of the cod family. There is a line of rapidly beating "cilia" behind the head - I guess this is where the name "Ciliata" comes from.

There was a distinct absence of the common starfish Asterias rubens. The reason may be due to the existence of the spiny starfish. Nice to find this species though. It is predatory, feeding primarily on other starfish. I have to admit, this is a new species to add to my "found" list.

The worm pipefish, when found under rocks, were generally found in pairs. I assume, male and female. These are a close relative of the sea horse.

The edible crab, Cancer pagurus, was common, with some quite large specimens found wedged in crevices. Interestingly, there were a large number of very pale coloured juveniles, right up to almost completely white individuals.

Wembury itself is a great place, with lots to offer the rockpooler. I only explored a small section of beach to the left of the car park. Some large, deep rockpools, one maybe 10 feet deep would need to be explored with a mask and snorkel. Equipped like that I am sure Wembury would offer lobster in these deep pools. My visit was quick and seemed rushed at times as the tide quickly turned. The photographs are all from Wembury, today - they may not be brilliant quality, but for the time I had, and the number of species found, I hope they inspire some serious rockpooling amongst WABers.

Wembury. Described as a "cracking place" - yes, I agree.

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Old 26-11-2011, 10:50 AM
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Re: Wembury Rockpooling Report - Part One

A great trip report. Very interesting.

Chris
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Old 26-11-2011, 12:44 PM
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Re: Wembury Rockpooling Report - Part One

Thanks for sharing this with us Marineboy.

Rockpooling is something i have not done for a while now...just added it to my list to do in the coming year.

Cheers Chris....
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Old 26-11-2011, 08:07 PM
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Re: Wembury Rockpooling Report - Part One

You've found some cracking stuff there, Marineboy. Thanks for showing us some of the rarely seen fauna of the lower shore. What a great range of crustaceans! I've never seen three of your crabs. !

I think your pipefish are in pairs too.

Great stuff.
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Old 27-11-2011, 06:22 AM
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Re: Wembury Rockpooling Report - Part One

Marineboy- a very interested and informative trip. Great shots too. Not sure where you are but if you ever consider running a WAB meet, we'd be interested in joining you. You obviously know where to look and what you are looking at! Great stuff.
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