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Watching NatGeo....
#10993367
07/22/15 03:52 PM
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Joined: Nov 2006
Posts: 3,158
jwatts77
OP
TFF Team Angler
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OP
TFF Team Angler
Joined: Nov 2006
Posts: 3,158 |
They were showing how a huge school of sardines can actually be so dense the sardines in the center of the school can die from lack of oxygen. I wonder if this happens to shad on our lakes? Just thinking, maybe this is why you see a bunch of dying shad sometimes. Maybe not.
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Re: Watching NatGeo....
[Re: jwatts77]
#10993572
07/22/15 05:31 PM
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Joined: Jul 2008
Posts: 119
upchurch_k
Outdoorsman
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Outdoorsman
Joined: Jul 2008
Posts: 119 |
I guess it could be possible, I've seen some of those shows too and it seems like you would have to have all of the shad in the lake converge at once to match the size of some of those balls of sardines.
Kevin Upchurch
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Re: Watching NatGeo....
[Re: jwatts77]
#10993701
07/22/15 06:42 PM
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Joined: Feb 2010
Posts: 1,385
Fishbreeder
Extreme Angler
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Extreme Angler
Joined: Feb 2010
Posts: 1,385 |
They were showing how a huge school of sardines can actually be so dense the sardines in the center of the school can die from lack of oxygen. I wonder if this happens to shad on our lakes? Just thinking, maybe this is why you see a bunch of dying shad sometimes. Maybe not. Sometimes around here.... A large reservoir will be drained through say a 6 or 8 inch pipe for many days or weeks into a bayou or creek. Many fish will come up to the running water. If it is either turned off, or detiorates significantly in quality (close to the bottom) all those fish can die pretty quick. Now I'm not sure if the shad can school so thick in open water to die of oxygen starvation, but they are particularly susceptible to low DO and will be among the first fish to show stress at such times.
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