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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

SUNY Environmental Science and Forestry, Syracuse

Posts: 71
Jjlyon01 on Feb 26, 2008February 26th, 2008, 12:33 pm EST
I am working on a research paper for my global environment class. My Topic is on the effects of the invasion of brook trout on the population of native cutthroat trout in the Rocky Mountains. Does anyone know of any good articles for this topic? Or anyone want to share their knowledge or opinion and give me some good points to work off?

Thank you. I know many of you probably have strong opinions on invasive species because I know I do.
"I now walk into the wild"
Pleasant Gap, PA

Posts: 1197
Shawnny3 on Feb 26, 2008February 26th, 2008, 3:03 pm EST
Having a stream taken over by brookies... could be worse.


P.S. I'm of course just making a bit of a joke, Jamie. That's what I usually do when I have nothing pertinent to contribute. It happens a lot.
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
Troutnut's profile picture
Bellevue, WA

Posts: 2758
Troutnut on Feb 26, 2008February 26th, 2008, 6:43 pm EST
Have you checked on Web of Science?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Vanderbilt, Michigan

Posts: 101
Dano on Feb 27, 2008February 27th, 2008, 2:38 am EST

One good place to start might be the fish and game departments of those RM states that have planted Brook trout, their reasoning for doing so, and what their current policies (catch limits, etc) are. Do they consider Browns to be "invasive" as well?

Granted, Oregon is not a RM state but, I found it interesting that they have no creel or size limits on Brook trout because they are a non-native species. Yet, this is not the case with Browns which I feel are far more "invasive" than Brookies....

When I was in Michigan my mantra was, "Save a Brookie, eat a Brown"... ;)


Eventually, all things merge into one...and a river runs through it.
SUNY Environmental Science and Forestry, Syracuse

Posts: 71
Jjlyon01 on Feb 27, 2008February 27th, 2008, 3:17 am EST
Those are all good places to start. I have not been on Web of Science yet but I sure will be checking it out and I have already begun to do a small amount of research through the Fish and Game Departments... thats actually where I got my thesis.
I know in New York Brookies are a rare commodity in most places and its just crazy to think about that they are like brown trout out in the Rockies. If I come across anything interesting this forum will be the first to hear it.
Thanks for the starting point!
"I now walk into the wild"
State College, PA

Posts: 103
Smallstream on Feb 27, 2008February 27th, 2008, 9:02 am EST
Its funny that here in the east, brookies seem to be the fish that gets bullied by other species, and out west they are the ones who do the bullying a lot of the time, they say that brookies are an excellent indicator of water quality, by the brookies being the invasive species out west it goes to show how excellent the water quality is out west doesnt it. Like what shawn said, I think that it is a good problem to have kind of, even though they are competing with the native trouts.

Posts: 26
Mtskibum on Feb 27, 2008February 27th, 2008, 11:58 am EST
Brookies in most environments cant out compete yellowstone cutthroat, greenback cutthroat, or bonneville cutthroat. Rainbows interbreeding in the highmountain streams is a bigger threat with these species.

However weststlope cutthroat are weaker on the food chain than even brookies. And they have been reduced from pretty much all of there habitat, except for areas around butte and from there going north and west till you get to Idaho.

Hollidaysburg Pa

Posts: 251
LittleJ on Feb 27, 2008February 27th, 2008, 1:20 pm EST
Isn't the green back the only "native" trout to much of the west.

Posts: 26
Mtskibum on Feb 28, 2008February 28th, 2008, 12:54 am EST
The greenback is now extinct in Wyoming. I believe Greenback is the one that is now only in CO and endangered itself.

I mainly get yellowstone cutties here in montana, and it is 50/50 yellowstone/bonneville depending where we go when i fish with my dad in wyoming. Although yellowstone is the most common in the state.

I believe to Montana, the only species we had native were westslope and yellowstone cutties, and redband rainbow trout, one of the subspecies of rainbow trout, but one that is threatened/endangered and really small, and bull trout, we also have mountain whitefish and grayling were native here as well.

Westslopes are pretty much only near Butte in any numbers, and i believe up by kalispell as well. They are not to common anymore.

In wyoming they had 6 native cutthroat species and grayling(in the park) and mountain whitefish were native there as well. Yellowstone, Bonneville, Colorado, greenback, westslope(in the park) and snake river cutthroat species.

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