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Cray Fish (42 posts / 3,729 views)
snapper1 snapper1
Posts: 3,101
Post #16 21 Apr 2020 10:45
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In reply to Post #15
Nice 1
ip100 ip100
Posts: 12,494
Post #17 21 Apr 2020 10:57
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In reply to Post #9
You mean less active at night?
ip100 ip100
Posts: 12,494
Post #18 21 Apr 2020 10:57
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In reply to Post #14
Yes, they are that bad even crays won't eat them
snapper1 snapper1
Posts: 3,101
Post #19 21 Apr 2020 11:14
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In reply to Post #9
me 2
Boiliebasher86 Boiliebasher86
Posts: 136
Post #20 21 Apr 2020 11:28
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In reply to Post #17
No I'm absolutely certain I ment more active at night. You can literally see them all coming out at the cover of darkness. Maybe different waters as the places I fish a crystal clear and they can't stand they daylight.
It got that bad sometimes at night with the crays I'd only fish during the day. Maybe different to what you are used to back in the UK, but this is my personal experience fishing continental cray infested waters.
capt_swearword
Posts: 1,018
Post #21 21 Apr 2020 17:47
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In reply to Post #20
Interesting, I fished a relatively clear brick pit and once the sun went down there was definitely less activity from the crays.
Justin_Time Justin_Time
Posts: 370
Post #22 21 Apr 2020 20:48
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In reply to Post #21
Signal crayfish are widely accepted as being nocturnal. Genuinely interesting how anglers here believe the opposite.
braders1978 braders1978
Posts: 18,195
Post #23 21 Apr 2020 21:06
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In reply to Post #22
Because the only lake I have fished with them in I definitely get less issues at night.I always check my rigs and put fresh bait on before I settle down for the night and if I don't have a fish my bait comes back without any claw marks.When fishing in the day a rig could be out less than an hour and will show signs of cray attention.
scozza
Posts: 18,421
Post #24 21 Apr 2020 21:12
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In reply to Post #22
I wish somebody would tell them that on a water I was fishing last year, absolute pain in the arse!

What I don't get is what people keep telling me. If carp eat them why are there so many

There's another water near me that's full of them, mate has some traps, you would not believe how many they used to take out of it

As far as my knowledge, carp make virtually no impact on their stock levels or breeding rates, could be wrong?
BlankasorusRex BlankasorusRex
Posts: 5,282
Post #25 21 Apr 2020 21:27
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In reply to Post #24
What you need is a big cat fish. That should happily smash the granny out of them, and hunt them down in their nest holes.

I've fished a ton of waters with them in and I don't think the carp make any difference. When I fished Jones pit on the leisure sport ticket in the 90s we used to empty the traps, reset them. Do a lap. Open the same traps and they would be full again.

On a water I know of some local guys agreed to visit the lake every day and set and empty the traps. I heard they got about 500kg in a season.
NickGordon NickGordon
Posts: 3,121
Post #26 21 Apr 2020 21:30
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In reply to Post #24
I always found them more active at night, unless the water is coloured, in which case they are active at all times.

I think carp will only eat very small ones if they are out, and I have seen larger ones spook carp off the bait, standing up almost, claws out ready to defend themselves.

Eels and catfish will eat crays, as they can get into the holes the crays use as burrows and swim backwards out, and I would imagine pike if they are out and about.
The females have the fertilised eggs under their tails and protect them in their burrows, so it is only eels and cats that can get into them.

Grebes and otters will also eat them. It is quite amusing watching a grebe with a crayfish, they throw them up into the air by a claw to remove the claw, catch it and do the same again for the other, then eat it.

I have seen waters that were overrun with crays, a few years later there were hardly any left, it was down to otters taking them in preference to fish.
BBGEOFF BBGEOFF
Posts: 91
Post #27 21 Apr 2020 21:44
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In reply to Post #26
Adult crayfish moult 2 or 3 times a year. I believe juveniles 5+ times a year. carp love them. not sure if carp will eat big ones with their shells on but definitely the moulting ones.
I've had big carp crapping crushed shell in the net.
scozza
Posts: 18,421
Post #28 21 Apr 2020 21:51
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In reply to Post #25
What you need is a big cat fish. That should happily smash the granny out of them, and hunt them down in their nest holes.

There are a couple of cats in the water that they net mate!

we used to empty the traps, reset them. Do a lap. Open the same traps and they would be full again.

Echo that too, mental
scozza
Posts: 18,421
Post #29 21 Apr 2020 21:55
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In reply to Post #27
I was thinking that mate, they eat them when they are vulnerable, shedding the shell. To be honest I have put a bit of time in on google in the past to try and understand if they eat them or not, I came across a video with a load of carp going nuts and they reckoned they were eating crayfish?

Last thing I would want to see is an otter too!
ip100 ip100
Posts: 12,494
Post #30 21 Apr 2020 21:57
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In reply to Post #20
I've only fished 2 lakes with a big head of crays, one here one in France and they both were far worse during the day. Also the local river is full of them, and when I used to barbel fish it you'd get them pestering you until the sun went down but they would soon stop once it was dark
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