On Wed, 06 Jul 2011 16:03:19 +0100, AriesVal
wrote:

has now been identified - and my thanks to everyone who assisted. I've
now taken better pics and it's quite clear what it is now. A signal
crayfish.

https://picasaweb.google.com/1087352...KvnlKap1ZvGnQE


Is there a national chart marking where they are? We live quite near
the rochdale canal (I can see it out of my window justabouts) and the
thought of them crawling into my garden makes me feel iccky.

I think they're edible - Hugh FW said so I think - but they look
pretty wierd.
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