Originally Posted By: Carcassman
I don't doubt that juveniles will use the smaller water but how far will they need to swim upstream from a spawnable mainstem? I know that coho migrate miles downstream to later move into an off-channel pond but I am leery about a very young Chinook moving very far against the current.


In the case of our current residence on one the middle Green’s smaller feeder creeks, they move up into the creek and then back down to the main stem from the creek and restoration ponding , escaping from the hi water flows and predators in the spring. We see young Chinook fry and pre smolts in the feeder stream system from February through March, April and into May. They show up in our creek shock surveys upstream from the main stem , as far as a mile from the main stem. By June, they have moved back into the Green, and no longer show.

The coho, Cutthroat, and Chum, remain in the creek and restoration environments year round until smoltng.


Amazing actually...



Edited by 28 Gage (07/10/25 05:29 AM)
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