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Author Topic: 5 year sockeye  (Read 6489 times)

aquapaloosa

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5 year sockeye
« on: August 30, 2010, 10:25:16 PM »
Could this run of sockeye be last years fish being 5 years old?
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Gooey

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Re: 5 year sockeye
« Reply #1 on: August 31, 2010, 06:28:05 AM »
Doubt it, I believe scales are like tree rings, you can use them to tell age...if a whole whack of fish for some odd reason cam back a year lete (ie 5 year olds) DFo could tell.  I am fairly certain DFO does genetic testing and collects scale samples from the test fishers so I think they would have picked up on that if it were the case.
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jimmywits

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Re: 5 year sockeye
« Reply #2 on: August 31, 2010, 09:34:03 AM »
Quote from: aquapaloosa on August 30, 2010, 10:25:16 PM
Could this run of sockeye be last years fish being 5 years old?
Interesting idea, would be good to hear from DFO on that one.
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kingpin

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Re: 5 year sockeye
« Reply #3 on: August 31, 2010, 06:36:44 PM »
the pitt gets 5 and 6 year sockeye...but no I doubt the sockeye would have skipped last year and became 5 year fish.
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lude98r

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Re: 5 year sockeye
« Reply #4 on: September 01, 2010, 11:48:09 AM »
What are the chances that they dont always return to their original river system?
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anorden

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Re: 5 year sockeye
« Reply #5 on: September 06, 2010, 05:35:03 PM »
Quote from: kingpin on August 31, 2010, 06:36:44 PM
the pitt gets 5 and 6 year sockeye...but no I doubt the sockeye would have skipped last year and became 5 year fish.

If so then they would be bigger average size
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Robert_G

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Re: 5 year sockeye
« Reply #6 on: September 06, 2010, 06:14:08 PM »
DNA sampling has shown that the bulk of these 30 million fish are Shuswap stock.
The majority of the missing fish last year were early and mid summer runs. Last years Adams run was never supposed to be more than a million fish at best.
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StillAqua

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Re: 5 year sockeye
« Reply #7 on: September 06, 2010, 08:56:56 PM »
Yup...they were Chilko and Quesnel fish that didn't show last year, not Adams/Late Shuswap.
But if there weren't as many 2009 sockeye feeding out in the ocean, maybe there was more food around for the 2010 fish so they survived better....
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ShaunDoe

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Re: 5 year sockeye
« Reply #8 on: September 07, 2010, 10:47:48 PM »
Not sure of the source but I heard that some systems had as high as 22% of the run being 5year old fish. More than normal, but not enough to create the abundance of fish reported to date.
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ShaunDoe

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Re: 5 year sockeye
« Reply #9 on: September 07, 2010, 10:48:58 PM »
Quote from: anorden on September 06, 2010, 05:35:03 PM
If so then they would be bigger average size

From what I've been told, the Pitt River sockeye generally are a larger fish.
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Bently

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Re: 5 year sockeye
« Reply #10 on: September 07, 2010, 11:05:11 PM »
Quote from: lude98r on September 01, 2010, 11:48:09 AM
What are the chances that they dont always return to their original river system?

 They found Fraser River fish in Port Alberni this year, that's what I was told anyway.
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