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Hey just a quick question

do jacks end up spawning/die without spawning/or return to ocean in order to return a couple years later to spawn?
 

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Um, well, speaking of a dog on the leg, and immature jacks. I once caught a jack coho, and when I picked him up to take out the hook, to release him, he spewed his magic sauce all over my leg and boot. :pissed: If that's not mature, I don't know what is. :hmmm:

I could be wrong, but I always understood that jacks do spawn and reproduce.
 

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Jacks do spawn. It's how DNA moves from spawning year to spawning year to increase genetic diversity in the species that have jacks.
 

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Having held coho and chinook jacks in my own hands, and squeezed milt out of them into a bowl of eggs from an adult female I can tell you that jacks do in fact spawn.

Just as Japander said, it's a way for nature to keep the gene pool diverse over the years. Also the more jacks there are in a year will give you an indication of what the return of adults will be next year. Lots of jacks, lots of adults the next year.

Some think that Jacks may not spawn wiht one partner, but rather they sneak up beside a couple of adults and release their milt at the same time. I don't know what the success rate of jacks spawning in the wild is, but do know they spawn.
 

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Jacks are mother nature's insuance policy. Should the run the following year be wiped out for some reason then the offspring of the jacks are what takes it place to insure that the salmon cycle continues!


Hotrod
 

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They are an insurance measure that get's triggered if there appears to be a shortage of adult males in the spawning population.They are also used as an indicator of the overall health of the population.A small or non exsistent population of jacks in the river means less families and less diversity in the gene pool.

ST
 

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barskull said:
How big was the jack Augie?
Hey Barskull. The coho jack was about 2-3 pounds, just a little guy. He was dark and even had a hook nose. He was caught on the Island.
 
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