May 3, 2024

For the Love of Cutthroat Trout

As I drive up a high desert mountain pass, I capture my very first look of the stream listed below. It doesnt look much like trout water.
Ive fished lots of postcard-perfect waters, the destination rivers and wilderness lakes. My passion for strange fish in odd places can also lead to more doubtful areas, streams without even a tip of a fish. Occasionally, streams without even a tip of water.
Today Im trying to find stream-form Lahontan aggressive trout, the small variation of the notoriously fat fish discovered in Pyramid Lake. The late trout specialist Robert Behnke considered them a separate subspecies, what he called the Humboldt fierce. Recent genetic tests have actually largely supported that idea. However whatever theyre called, theyre mainly disregarded, found spread throughout the high desert of Nevada and Oregon– a part of the country more famous for sage grouse and sagebrush disobediences than trout fishing.
I can a minimum of see water here, and where theres water, theres hope, even if I know my anglers hope is typically lost. Still, its not like I can mosey on over to another stream in the northern Nevada desert. And anyways, the roadway has become so rocky and narrow that my instant attention is not repeling a cliff.
The desert stream where author Matt Miller discovered stream-form Lahontan cutthroats. © Matthew L. Miller
The road levels off and then drops slightly, crisscrossing the stream. I pull my automobile to the side and hop out, eager to look. The stream at the road crossing isnt much, maybe a foot of water and no cover for trout.
A land survey rig rolls by me, stops, backs up. A window rolls down.
” You fine out here?” asks the passenger.
” Im fine, just going trout fishing in this creek,” I reply.
A pause. A long time out.
” Fishing?” Yet another pause. “Well, best of luck.”
He didnt add, “Youll need it,” but he might also have.
I live near some of the very best trout waters in North America. However here I am again, on a wild goose chase. Because of these fish.
Why do I keep seeking these tiny streams? Why do I go to these lengths to capture trout that might go 8 inches, if Im lucky? Why cutthroat trout?
A Bear River ruthless from Utah. In Utah, catching 4 subspecies of cutthroats receives the “Cutthroat Slam.” © Matthew L. Miller
Meet the Cutthroat
The fierce trout (Oncorhynchus clarkii) was discovered widely in western North America, from the Rockies to the Pacific. The trouts name comes from the bright red slash on its jaw. The fierces story is actually one of geology, composed in the stunning canyons and mountain valleys is a story of floods and glaciation and turmoil. Through that, fierce trout populations ended up being separated from each other. This triggered a variety of ruthless subspecies and pressures, colorfully different fish discovered in hugely various environments. For taxonomic geeks like me, this is no small part of their appeal.
The late trout expert Robert Behnke recognized 14 subspecies (of which 2 are extinct). Recent genetic research suggests much more, as fellow native trout lover Gary Marston describes. Whatever the case, a mission for native cutthroats is an excuse to explore some of most stunning locations in western North America. Ive captured cutthroats at 11,000 feet in the Colorado Rockies and in extensive lakes in Nevada. Ive captured fish that invest part of their time in the ocean in Alaskan jungle and as well as cutthroats in the arid semidesert of eastern Oregon. Ive caught them with elk bugling in the background in New Mexico and while enjoying bison in Yellowstone.
AN Idaho backcountry lake. © Matthew L. Miller
Despite all these experiences, I can today discover fierce in just a fraction of their historic waters. This is because of a host of familiar issues including habitat degradation, overgrazing and water contamination. Climate modification presents additional risk; a research study released in the Proceedings of the National Academy of Sciences forecasted that fierce trout will lose 58 percent of their current habitat by 2080 due to warming waters.
The most significant hazard to native fierce trout? Since the most significant risk to ruthless trout has been leisure fishing.
As Behnke put it:
” The most substantial aspect of cutthroat trout life history, ecology and biology that can be provided to explain their fantastic decrease in circulation and abundance issues the fierce trouts susceptibility to hybridization with rainbow trout and to replacement by brown trout and brook trout in streams and by lake trout in large lakes.”
Westslope aggressive captured in the Central Idaho wilderness. © Matthew L. Miller
The degree of the historical equipping effort is mind boggling. Non-native trout were equipped by train, aircraft and horseback. Pails of fish were dumped in national forests and wildernesses. It suggests that, today, you typically find the same gamefish any place you go, not just in North America however all over the world. It likewise implies that to find aggressive trout frequently suggests going to the most inaccessible and overlooked places.
The appeal of non-native trout monoculture is hard for me to understand. It continues. This year, a podcast including 2 fly fishing personalities– both of whom have done genuine great for conservation– discussed whether native fish preservation had gone “too far.” They called non-native trout “spiritual” and decried efforts to bring back cutthroats, despite the fact that these native trout just occupy a fraction of their variety. This can fill an angler-naturalist with misery.
Mindsets– and angling visual appeals and principles– are altering.
Trail at 11,000 feet causing a fierce trout stream in Colorado. © Matthew L. Miller
Trout in the Desert
One of the unattainable and ignored spots is this small stream in Nevada, the one I have gone to seek Humboldt fierce trout. I pick my method along this stream, browsing for where it might stream into bigger water.
The brush grows thicker but the stream stays small. As I approach a linking canyon, I understand I began on the wrong creek. This is a minor tributary, but I see where it runs into the stream I prepared to fish. It isnt big, or especially remarkable, however theres more water. And: a beaver dam.
I see the clipped saplings a second prior to my eye catches a swimming pool of water. And simply like that, the trajectory of the day changes. I crouch down and crawl towards the swimming pool. As beaver dams go, this one is little and silty. I can make out a deep area, and there, suspended, is a trout. If its the first fish Ive ever seen, I fidget with my fly rod as. I tie on a little Humpy but by the time I look back up, the trout has actually disappeared.
Author Steve Ramirez stalks small-stream native trout. © Matthew L. Miller
I make cast, then another. Curse. Did I in some way spook the fish? When a loud splashy rise breaks the surface area, I prepare to cast again. My fly lands right where the fish fed, and immediately vanishes. Its a 7-inch fish, but my 6-foot 3-weight still flexes.
Stream-form Lahontan, Humboldt trout: whatever you call it, whatever you call it, it is among the most gorgeous little fish Ive seen. Its sides are covered in dark black spots and more muted splotches, all set on a golden-hued body. The red slash shines vibrantly in the sun. I take a quick image, slip the hook and release the fish. 2 casts later on, another is on the line.

Today Im looking for stream-form Lahontan aggressive trout, the small version of the famously fat fish discovered in Pyramid Lake. Climate modification postures additional risk; a research study released in the Proceedings of the National Academy of Sciences projected that cutthroat trout will lose 58 percent of their current environment by 2080 due to warming waters.
The greatest threat to native fierce trout? It likewise indicates that to discover cutthroat trout often means going to the most unattainable and ignored locations.
They called non-native trout “sacred” and decried efforts to bring back cutthroats, even though these native trout just inhabit a fraction of their range.

I fish the beaver pond for another 20 minutes, catching several more fish, and then head downstream. The banks are lined with wild rose and other thorny plants, and I regret my decision to use shorts and water shoes. The thorns tear at my knees, however I push through to another swimming pool. I cast into a little current joint, and my fly is immediately engulfed.
And that comes with an added benefit: It also means that few to think to fish it, either. The thorns may shred my legs to hamburger, my sandals may fall apart on the path, but each swimming pool holds fish. Starving, bright fish.
Fly rods that cost more than some cars and trucks Ive owned. Fish events thoroughly crafted for Instagram.
Offer me rutted roadways and grueling walkings. Provide me little fish and smaller sized crowds. Offer me ruthless trout.
A Humboldt fierce. © Matthew L. Miller
Cutthroats Rising
More anglers share this gratitude. Just as anglers helped get cutthroats into this mess, it will be anglers who help get them out of it.
There have actually been a number of effective efforts to secure and bring back cutthroats to their native range. This typically includes eliminating non-native types. Often it indicates installing barriers on streams so invasive fish cant recolonize. Both of these strategies can be controversial. However returning native fish brings back more than fishing chance. It restores a keystone species to freshwater ecosystems.
You capture the ruthless subspecies in a given state and get an award. And ideally, the cost you pay goes for native trout conservation.
The author fishing. © Matthew Robert Lewis
Thats the case for the Utah Cutthroat Slam, the brainchild of my friend Brett Prettyman. Capture Utahs four cutthroat subspecies and you get a medallion. By the time you read this, 1,000 anglers will have finished the slam.
More important, the cash has actually funded motivating tasks, like restoring cutthroats to the upper Weber River. The Cutthroat Slam helped fund fish ladders to help cutthroats survive barriers.
The Western Native Trout Challenge involves catching native fish in a dozen taking part states, with education and preservation front and center. And growing organizations like the Native Fish Coalition reveal that anglers can be effective supporters for freshwater biodiversity.
Im a taxonomic nerd. I love chasing after the different subspecies and stress of native trout. Generally, I love the places these fish take me.
The Places You Find Trout
A little trout smacks it but isnt hooked. I immediately roll the fly back out and a bigger fish slurps it, practically daintily. Bigger than any Ive caught today but a far cry from even a middling trout at Pyramid Lake.
I sit for a bit and soak my bleeding legs in the stream, eat some jerky and then continue my hike. I look up to the rough road that runs far above the stream, and see a flatbed truck idling, a rancher staring down at me.
His words reach me. NEED. OKAY?”
There are numerous methods to determine a quality trout stream. One might be how many residents examine in your health and wellbeing when they see you with a fishing rod.
I recognize the futility of yelling back up to him, so I simply raise my arm and offer an enthusiastic thumbs up. Better than fine.
Parts of this story originally appeared, in different form, in Flyfishing & & Tying Journal.

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