Brocolli B Posted June 21, 2015 Share Posted June 21, 2015 Was down at calver weir a Froggatt today with kids and saw what we think was a dead crayfish... It was in 2 halves side by side. Bit weird really how it was laid.. It was of a good size too. Maybe full length up to 20cm? Just wondered if anyone as seen any of these down there. Alive?? Spelling mistake in title sorry.. Calver weir it should read.. Link to comment Share on other sites More sharing options...
tzijlstra Posted June 21, 2015 Share Posted June 21, 2015 I read somewhere some years ago that there are crayfish in the Don these days, so it wouldn't surprise me! Link to comment Share on other sites More sharing options...
Beechiff Posted June 21, 2015 Share Posted June 21, 2015 I don't know definitively whether there are crayfish in the a Derwent but the American Red Signal Cayfish have spread like a plague through many of our rivers &stillwaters to the detriment of many other species of wildlife - I have caught large ones whilst fishing the River Rother at Beighton &seen Mink (another alien species) killing & eating them on a local pond. My best guess would be that the dead crayfish was killed by either an angler an otter or a mink Andy Link to comment Share on other sites More sharing options...
Goldhead Posted June 22, 2015 Share Posted June 22, 2015 American signal crayfish, plenty of them in the Derwent I am afraid. Have been seeing signs of otter(s) so may have been chewed and left by one. Link to comment Share on other sites More sharing options...
geared Posted June 22, 2015 Share Posted June 22, 2015 Aren't the native crayfish an endangered species now, is it easy to tell the different types apart?? Link to comment Share on other sites More sharing options...
FELICIA Posted June 22, 2015 Share Posted June 22, 2015 one is red and the other is not the red one is the alien species. they are not allowed to be caught without a licence and if fished out of the water must be destroyed and not put back into the water course Link to comment Share on other sites More sharing options...
Cazzerb65 Posted June 22, 2015 Share Posted June 22, 2015 Ive seen one in the River Rother at Halfway, it was the Alien American one. :-( Link to comment Share on other sites More sharing options...
Nagel Posted June 22, 2015 Share Posted June 22, 2015 Aren't the native crayfish an endangered species now, is it easy to tell the different types apart?? I almost went fishing for native crayfish five or six years ago when I was on holiday in the Yorkshire Dales, but never got round to it. Me and my brother used to fish them at a special spot as kids on summer holidays there and then cook them up. There were still plenty there because there were still as many of their burrows in the muddy river bank, but I never got round to fishing them. I'm glad I didn't! Shortly after I read in the news about a man who had caught some in the Lake District. They're endangered and protected and he was fined £4000 - http://www.dailymail.co.uk/news/article-1265806/Environmentalist-fined-4-000-catching-wrong-kind-crayfish.html He couldn't tell the two types apart. Link to comment Share on other sites More sharing options...
FELICIA Posted June 23, 2015 Share Posted June 23, 2015 please note that native crayfish are an endangered species and that fishing for them is illegal as is fishing for the non native all non native crayfish must be destroyed and not put back into the water Link to comment Share on other sites More sharing options...
TheRocketMan Posted June 23, 2015 Share Posted June 23, 2015 They are good eating if they live in a decent bit of water. Like mini lobster! Link to comment Share on other sites More sharing options...
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