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  1. #1
    Join Date
    May 2017
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    Too far away from the wild places!
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    436

    Default Pike (or no pike) lake puzzler

    Hi Chaps,

    I have just returned from a week in North Wales where a mate and I visited some old fishing haunts. One such old haunt was a small mountain lake that used to hold a good head of small pike, 1 to 2 lb bracket. It was a reservoir for an old army base I believe, now a holiday village. The last time I visited it to fish must be approaching 30 years ago.

    The lake now seems to have been taken over by Welsh Water and the level was a good metre lower. When we started lure fishing my mate was soon into a small fish but it was a perch - we never caught perch there before! Anyway, to cut a long story short we had a couple of sessions there and all we caught were a few small perch, no sign of any pike at all. Funnily enough, in those intervening years there seems to have been a pike explosion in the nearby Trawsfynydd Lake at the expense of its perch population.

    I'm just curious as to what may have happened. According to a local the lake has not be drained. Can the fish populations of lakes change so dramatically naturally and how would that happen?

    Cheers

    Phil

  2. #2
    Join Date
    Aug 2009
    Location
    Not So Greater Manchester.
    Posts
    19,151

    Default Re: Pike (or no pike) lake puzzler

    Yes, lake fish populations can change.
    Perch did suffer a problem quite some years back which killed a lot of them off. They have been on the increase since and now doing fine again.
    Pike don't become mature until about 5lb in weight and 5 years old. They are also cannibalistic along with perch.
    30 years ago is probably when the perch were at their lowest in numbers. No feed for the pike, pike die out and the perch thrive again. There could be a monster pike or two in there somewhere!
    I have a wife and daughter. I'm always wrong and outnumbered. Hidden Content

    A Lancsy Lad. Hidden Content

  3. #3

    Default Re: Pike (or no pike) lake puzzler

    Due to scarcity of pike waters in North Wales,what we have gets hammered...over fishing and treble barbed hooks soon leave a trail of destruction which is more obvious on smaller waters.

    Sent from my Moto G (4) using Tapatalk

  4. #4
    Join Date
    Oct 2010
    Location
    N.W.Wales
    Posts
    201

    Default Re: Pike (or no pike) lake puzzler

    Hi Phil,
    *Apparently the pike in Trawsfynydd were introduced by a disgruntled angler who also put them in Llyn Cynwch.They have thrived in both lakes but I only fish Bala for pike as no deadbaiting allowed in other two.
    *I think the mountain lake you refer to is Llyn G.G.if so then I also fished it many years ago as a kid.As you saidonly small jacks.One winter during a club competition a member found a 3 inch pike alive laying on some ice which covered half the lake.He took it home and put it in his aquarium where it lived alone(after eating the other fish)for many months.Never did find out what happened to it

  5. #5
    Join Date
    May 2017
    Location
    Too far away from the wild places!
    Posts
    436

    Default Re: Pike (or no pike) lake puzzler

    Quote Originally Posted by salmo mike View Post
    Hi Phil,
    *Apparently the pike in Trawsfynydd were introduced by a disgruntled angler who also put them in Llyn Cynwch.They have thrived in both lakes but I only fish Bala for pike as no deadbaiting allowed in other two.
    *I think the mountain lake you refer to is Llyn G.G.if so then I also fished it many years ago as a kid.As you saidonly small jacks.One winter during a club competition a member found a 3 inch pike alive laying on some ice which covered half the lake.He took it home and put it in his aquarium where it lived alone(after eating the other fish)for many months.Never did find out what happened to it
    Hi Mike,

    Yes, it's Llyn G.G. I had not realised it was so well known! You mention a club competition? I have never seen another soul up there the few times I fished it many years ago. I'm quite intrigued with the situation as follows.....

    I'm struggling to remember but I reckon I last fished it in the 1980s, so that's approaching 30 to 40 years ago. A few locals spoke about it - up until then I had doubted any fish were in it. I then had a few decent sessions up there from time-to-time catching small jacks on colorado spoons and the like. So, I returned a week or two ago with a friend but this time armed with a much more elaborate selection of lures expecting great things.

    The minute I approached the lake I knew things were different. There was a sign suggesting Welsh Water have now taken it over but most significantly the level appeared a lot lower. I was scratching my head as to why this was as the dam and sluice looked the same. However, I found an old photo and indeed things have been altered with the sluice now significantly lowered. Looking at the lake you can clearly see where the original waterline was, about a metre or so higher.

    Anyway, to cut a long story short this time we saw absolutely no signs of any pike but we caught some small perch. Previously, all we had caught were pike with no signs of perch. It's a mystery to me. Has the lower level altered the dynamic or ecology? Has the pike population evolved or disappeared? I don't believe the lake has been drained.

    Cheers

    Phil

  6. #6
    Join Date
    May 2017
    Location
    Too far away from the wild places!
    Posts
    436

    Default Re: Pike (or no pike) lake puzzler

    From Frank Ward, 1931 - makes me think there must still be pike in there

    Pike (or no pike) lake puzzler-img_4863-jpg
    There is a local saying, referring to salmon and sea trout rivers, that these will not fish well "until the bracken is tall enough to hide your bicycle"

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