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[Stealth]

I am curious to know where the fish are being kept?  If the pens are in the slack water on the backside bottom part of grassy then you can expect a very high mortality as the water is not moving very fast and the water temp will be a problem, slow backwater surface temps are at 65 degrees right now, not good for sockeye. I ask this as I drove buy there yesterday and that is where it looked like they where keeping the fish.I hope I am mistaken. These fish need to be kept in water that has some depth and flow for proper accurate results. I hope for a accurate result so that many questions can be finally answered.

[shaunm]

The pens are located at the bottom of the bar. But from what I witnessed today, all were VERY much alive & well when yesterdays catches were being released. I understand this has been the case each day.

[troutmuncher]

We were useing 2 oz betties,the small pen was on the downstream bottom of Grassy bar.Glad to hear they are still alive.The dead ones floating upside down get a small dna sample taken out of them to the lab,guess the rest of the fish gets the barbeque sauce taste test proceedure.

[Nicole]

This study should also consider the fish that go belly up in the canyon, there were reports of many dead socks two summers ago up that way, floaters in back eddies.

They might swim away, but some of the most difficult water to travel still remains.

Cheers,
Nicole

[oddjob]

 Are the fish that are released taged ? If they should die in the canyon at least they know where they came from .

[Marsman]

Any new stats on Suvival?

[Fish Assassin]

Are the fish that are released taged ? If they should die in the canyon at least they know where they came from .

Excellent point.

[canso]

what does dieing in the canyon have to do with with the study?

un-molested fish die in the canyon.

[Marsman]

what does dieing in the canyon have to do with with the study?

un-molested fish die in the canyon.

Ya, Your right... Fish could be stuck in a couple of nets and get loose before the canyon.

[shaunm]

Is water temperature a major factor too?

[canso]

warmer the water the more fragile they will be.
when the water is very cold they are tuff as nails.

[shaunm]

Ya, Your right... Fish could be stuck in a couple of nets and get loose before the canyon.
[/quote]


First Nation were involved in the study & netting the day I was there...so hopefully the results of all this will help.

[troutmuncher]

Ive heard they could be 5yr ones,they sure look big.I think they do tag em.Those fatsos should be full of eggs to replenish the stock so I hope the survival rate is good.Also I have a problem with my spinning reel a Tidewater SS Shakespeare it made casting my bouncing betty a real chore to cast since it weights like 2 friggin pound anvil. Should I sell it or just use it as a dumb paperweight?

[GoldHammeredCroc]

The bigger ones are probably 5 yr olds - some runs have fish that stay longer at sea.  Pitt is an example of this.

I sampled a rather large 5 yr old - 12.4 lbs and 72.3 cm long that was taken in a PSC test fishery last week



Yes I'm holding it out, but its still a big fish

[buck]

It's interesting why FSWP all of a sudden is undertaking on a study to determine mortality rates of angled sockeye, when at the same time first nations has a TLC of 500,000 fish.
I would be more concerned about trying to reduce catch quotes and let more fish on the spawning than undertake a questionable study.
Holding sockeye in a pen in itself will cause physiological stress that may not be apparent and may have a long term impact. Will these fish make it to the spawning grounds ?