The temperatures have dropped and the dog days of summer are over. In fact, rain showers are in the forecast for today. What does that signal? Changing seasons for the fly fisher.

I always look forward to arriving at the river and see if fish are rising. It’s more the norm now than it was during July and August. The only problem is trying to determine what bugs the fish are taking.

And fall is the time when the big fish come out to bulk up before winter sets in.

Metolius 20 Inch Rainbow | www.johnkreft.com
Metolius Rainbow and Chernobyl Ant | www.johnkreft.com
Metolius Rainbow | www.johnkreft.com

There are a variety of mayflies, stoneflies, and caddis on the river. And many are available to the fish at the same time. So what are they eating? Small olive stones, Blue Wing OlivesPMD’s, Cascade StonesSerratella mayfly, Golden Stones, October Caddis, Alderflies, small black micro-caddis, tan caddis to name a few.

At times, it isn’t clear what the fish are eating. They can be super-selective.

One fly I’ve been using consistently to catch fish is the Rusty Spinner – Biot Body.

Rusty Spinner Biot Body | www.johnkreft.com

Another fly is an Iris Amber Caddis.

Iris Caddis - Amber | www.riverkeeperflies.com

These two flies have bringing the fish to the surface. Sometimes they eat the fly, other times they seem to gargle with the fly and spit it out!

A Chernobyl Ant has taken a fish or two as well.

Chernobyl Ant | www.johnkreft.com

There’s one spot I fish we call Frustration Flats. I’m sure you can guess why it’s called that…

The fish continue to feed and I’ve thrown these two flies at them. Sometimes I’m lucky and the stars align and hook a fish.

Here is one of them.

Metolius Redside | www.johnkreft.com

Mostly, they are interested in something else. I’m thinking midges.

So I’m doing a little research about midges in Ed Engle’s book entitled Tying Small Flies

It’s a puzzle I plan to solve!

Hopefully, you can get out and celebrate the changing season of fly fishing. There are many fishing days left until someone turns the switch and fish become much more dormant beginning on November 1.

Enjoy…go fish!

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5 Comments

  1. John, I use to kid myself that trout bulk up for the winter but that is a fallacy. All the research points that trout eat less and there more non feeding periods to boot. I often experience this case on the Snake River near the WY/ID border. In mid October when they drop the water the fish will pod up and sip tiny olives for a couple of hrs and then they are finished for the day. Before and after the hatch I have little success pounding them up with dries or even catching them on standard nymphs. Sooo, this whole bulking up for winter is a fisherman’s myth. Tight lines

    1. James

      Thanks for your comment. Haven’t done any research about when trout eat and why. I just accept the fact that the bigger fish seem to rise at certain times of the year to tasty morsels…big dry flies…and I’m happy they do!

      John

  2. You are so right John. Last week on the Metolius I counted seven different bugs dead, dying, laying eggs or emerging on the water. Fish were up in the foam line but what they were taking was tough to determine.

    Good plug for Ed’s fine book and its companion “Tying Small Flies.”

    1. Gary

      Thanks for your comment. The Met always seems to have a variety of bugs available to the fish. I guess that’s why I enjoy fishing it so much…it’s always challenging.

      John

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