Brown trout. Medical search. Frequent questions

The brown trout (Salmo trutta) is a species of salmonid ray-finned fish and the most widely distributed species of the genus Salmo, endemic to most of Europe, West Asia and parts of North Africa, and has been widely introduced globally as a game fish, even becoming one of the world's worst invasive species outside of its native range. (wikipedia.org)
The scientific name of the brown trout is Salmo trutta. (wikipedia.org)
Salmo trutta was used to describe anadromous or sea-run forms of brown trout. (wikipedia.org)
Brown Trout ( Salmo trutta ) also called German Brown Trout. (foodreference.com)
The brown trout (Salmo trutta) belongs to a different genus than our native trout species. (troutunderground.com)
The proliferative darkening syndrome (PDS) is a lethal disease of brown trout ( Salmo trutta fario ) which occurs in several alpine Bavarian limestone rivers. (mdpi.com)
Knowledge of fish responses to altered stream conditions at these levels of organization provides insight into population-level effects of anthropogenic alterations on brown trout Salmo trutta, which can be used to inform management decisions and mitigation actions. (cornell.edu)
The brown trout Salmo trutta was first described by Carl Linnaeus in "System of Nature" in 1758. (wired2fish.com)
He assigned them the name Salmo trutta with Salmo being latin for salmon and trutta being latin for trout. (wired2fish.com)
Some of those include Salmo trutta morpha trutta for the anadromous sea trout, Salmo trutta morpha fario referring to river based brown trout and Salmo trutta morpha lacustris for lake based brown trout. (wired2fish.com)
Brown trout like the other members of the Salmo genus have primary origins in waterbodies with a connection to the Atlantic ocean. (wired2fish.com)
For wild, sea-run brown trout (Salmo trutta) smolts, the physiological consequences of abrupt transfer to seawater and simultaneous challenge with copepodid larvae of the sea louse, Lepeophtheirus salmonis (Kroyer, 1837), were investigated in the laboratory. (nofima.no)
Salmo trutta are in fact a very popular fish among fly anglers, many of whom are fanatical in their quest for a big brown. (unaccomplishedangler.com)
Rasmussen, G 1986, ' The population dynamics of brown trout (salmo trutta L.) in relation to year-class size ', Polskie Archiwum Hydrobiologii , vol. 33, no. 3/4, pp. 489-508. (dtu.dk)
Brown trout, Salmo trutta, is an important species for the sportfishing tourism in Sweden and goals are set high for the possible gains to come from fishing tourism. (slu.se)
C) D. dendriticus plerocercoids from Salmo trutta brown trout. (cdc.gov)

Brown trout are more predaceous than rainbow or cutthroat. (troutunderground.com)
Brown trout seldom have any spots on their tails, a feature that distinguishes them from rainbow trout. (niwa.co.nz)
Although the brown trout fishery does not receive as much publicity as that for rainbow trout, these fish are highly prized by anglers because they are considered much harder to catch. (niwa.co.nz)
We floated down a few seams and hooked up with several browns and rainbow trout. (flyfishingnc.com)
The bigger surprise is that more brown trout and a rainbow have been recently caught. (ambassadorguides.com)
The lack of dark spotting throughout the entire caudal fin is a distinguishing feature for identifying brown trout vs rainbow trout, whose tail will be covered in black spotting. (wired2fish.com)
These are great characteristics to help differentiate between rainbow, brook, and brown trout as rainbow trout have moderate spotting on their pelvic and anal fins and brook trout have definitive white edges to their pelvic and anal fins. (wired2fish.com)
The Boulder River is a Blue Ribbon trout stream with quality rainbow and brown trout. (montanaflyfishingguides.com)
Typically this is a hunting ground for large brown and rainbow trout using streamers and large crawfish patterns. (montanaflyfishingguides.com)
Every foot of the river is capable of producing rainbow and brown trout eager to rise to a dry fly, grab a drifting nymph or a swinging streamer. (montanaflyfishingguides.com)
There is also a Great Blue Heron and smaller fish in the likenesses of a rainbow trout and immature Bull Trout. (unaccomplishedangler.com)
A) D. dendriticus and D. latus plerocercoids from Oncorhynchus mykiss rainbow trout. (cdc.gov)
E, F) D. dendriticus plerocercoids from O. mykiss rainbow trout. (cdc.gov)
BCF (plasma) = 5-11 '(mean measured plasma concentration/mean exposure concentration in rainbow trout (Oncorhynchus mykiss) exposed to sewage effluents at three sites) (Brown et al. (janusinfo.se)
Large Multicountry Outbreak of Invasive Listeriosis by a Listeria monocytogenes ST394 Clone Linked to Smoked Rainbow Trout, 2020 to 2021. (cdc.gov)

citation needed] The first introductions into the U.S. started in 1883 when Fred Mather, a New York pisciculturist and angler, under the authority of the U.S. Fish Commissioner, Spencer Baird, obtained brown trout eggs from a Baron Lucius von Behr, president of the German Fishing Society [de]. (wikipedia.org)
Nowadays the Selwyn River, where it enters Lake Ellesmere (Te Waihora), doesn't look that inviting to the would-be trout angler. (fishingmag.co.nz)
A few seasons ago, one angler caught several hundred brown trout by fishing at night in the lower Selwyn. (fishingmag.co.nz)

Of the seven species introduced, only brook trout, Salvelinus fontinalis, and brown trout survived to establish wild populations. (wikipedia.org)
This is a distinguishing characteristic for brown trout vs brook trout, whose spots will be lighter in coloration than their body. (wired2fish.com)
B) D. latus plerocercoids from Salvelinus fontinalis brook trout. (cdc.gov)

Sea-run forms of brown trout exceeding 20 lb (9.1 kg) are caught by local anglers on a regular basis. (wikipedia.org)
Anglers in pursuit of 20+ inch trout need to put this on their bucket list, for the wild rainbows and browns in this river have one of the fastest growing rates to be found on any river system in today's world. (troutunderground.com)
Anglers fish the lower Selwyn for brown trout usually from late evening and after dark. (fishingmag.co.nz)
The river also holds large brown trout and I heard some incredible battle stories from amongst the other anglers. (aardvarkmcleod.com)
For those technical anglers brown trout have countable fin rays and spines. (wired2fish.com)
We typically float the Gallatin River in a raft or drift boat due to the many braids and channels - it's a long day of fishing, but it can be very rewarding for those anglers looking for that 20+ inch trout. (montanaflyfishingguides.com)

and anadromous populations known as the sea trout or S. trutta morpha trutta, which upon adulthood migrate downstream to the oceans for much of its life and only returns to fresh water to spawn in the gravel beds of headstreams. (wikipedia.org)
Downstream from Calgary are 40, highly coveted river miles of great trout fishing. (troutunderground.com)
Brown trout generally move up streams to spawn, and the best concentrations will be in the upper ends of river systems or just downstream of dams that block the fish's upstream travel. (lurenet.com)
Looks like bunch of trout were washed downstream last year with the big flood. (ambassadorguides.com)
Results from summers 2010 and 2011 indicated that trout in all reaches of upper Esopus Creek were stressed at the secondary (i.e., serum chemistry) and tertiary-level (i.e., body condition, growth rates and movement rates), and that trout immediately downstream from the aqueduct were less stressed. (cornell.edu)
In addition, summer 2011 habitat data indicated that greater amounts of habitat that was optimal for adult trout existed downstream from the aqueduct, and adults preferred these types of habitats. (cornell.edu)
Conversely stream conditions immediately downstream from the aqueduct were turbid (i.e., stressful for trout), fastflowing and cold. (cornell.edu)
Stream temperature is a dominant factor affecting fish growth and performance, which may explain why trout immediately downstream from the aqueduct were less stressed. (cornell.edu)
A Missouri River fishing trip is a truly unbelievable home for trout below Holter Lake through the town of Craig and downstream to Cascade, Montana. (montanaflyfishingguides.com)

Lacustrine trout mainly inhabit large lakes with calm and stratified deep water, while riverine trout forms fluvial populations typically in large rivers but sometimes in shallower creeks and alpine streams, both still migrating upstream during reproductive seasions. (wikipedia.org)
By 1868, the Plenty River hosted a self-sustaining population of brown trout which became a brood source for continued introduction of brown trout into Australian and New Zealand rivers. (wikipedia.org)
Brown trout spawn in late autumn in fast-flowing parts of rivers and streams. (helen.fi)
Uncrowded rivers, wild brown trout and some of the best Mayfly Hatches you will experience in New Zealand. (flyfishmataura.co.nz)
Whether you are a beginner or an expert, I have loads of patience, heaps of local knowledge, and expertise to help you experience the thrill of landing a hard fighting wild brown trout from our uncrowded Southland rivers. (flyfishmataura.co.nz)
We fish 6-8wt single hand nymph rods for the Browns while some of the larger area rivers are perfect for swinging flies with 7-9wt Switch Rods. (minturnanglers.com)
Both the Upper Madison and Lower Madison are some of Montana's premier wild trout rivers and it has been classified as a "Blue Ribbon" trout stream. (montanaflyfishingguides.com)

Behnke (2007) relates that the brown trout was the first species of trout described in the 1758 edition of Systema Naturae by Swedish zoologist Carl Linnaeus. (wikipedia.org)
Linnaeus also described two other brown trout species in 1758. (wikipedia.org)
Brown trout are great competitors and generally are more tolerant of dewatering and other environmental disturbances than our other trout species. (troutunderground.com)
Brown trout are primarily a freshwater species, but can spend time in the sea. (niwa.co.nz)
Although massive brown trout are the targeted species, it is very easy to change gears and target Steelhead or even some King Salmon if that's what you would like to do. (minturnanglers.com)
We will cover all you need to know about brown trout in this species profile. (wired2fish.com)
They belong to the Salmonidae family of fishes that contain all salmon, trout, and char species which are collectively known as salmonids. (wired2fish.com)
Throughout time there have been dozens of proposed names for brown trout species based on color and marking variations, environmental preferences, or geographic location. (wired2fish.com)
Brown trout are not native to any part of North America and are an introduced species. (wired2fish.com)
Speckled Sea Trout, Snook, Redfish, and a wide variety of inshore saltwater species also find the Bay Rat Lures Bay Rat Lures Short Shallow enticing. (fatnancystackle.com)
A bit of research into the sewer plant FART revealed that the many sculptures include the following species of fish: Steelhead, Male Chinook (spawning), Female Chinook (spawning), Male Sockeye (spawning), and Mature Brown Trout (these descriptive titles come directly from a list provided to me by the CDPWD. (unaccomplishedangler.com)
All are native species, except the troublesome Brown trout: browns are not native to any water in America, although they do enjoy a widespread distribution thanks to stocking programs of the past. (unaccomplishedangler.com)

The von Behr brown trout came from both mountain streams and large lakes in the Black Forest region of Baden-Württemberg. (wikipedia.org)
Autumn delivers magical days on brown trout streams. (lurenet.com)
However, there are still many very good brown trout caught in the lower Selwyn River and the many other streams that feed into the lake. (fishingmag.co.nz)
In freestone streams, browns move up out of their wintering holes eager to feed, and the low water levels concentrate them in defined midstream feeding lanes, or tight to the bank. (outdoorcanada.ca)
Therefore accurate and efficient methods to estimate a streams potential production of brown trout are needed in order to apply relevant management regimes that take fish ecology into account and prevents overfishing. (slu.se)

Studies on the production of brown trout and yeald of smolt were carried out in a small Dansih sea-trout stream since 1978. (dtu.dk)

D) D. latus plerocercoids from S. trutta brown trout. (cdc.gov)

We noticed a few big trout working a redd so we drifted some nymphs over their area, that is when I hooked up with a monster brown trout. (flyfishingnc.com)
That monster brown trout shot straight upstream, which was a relief to me because fighting them down stream is a heart ache waiting to happen. (flyfishingnc.com)

Brown trout spawn in gravel redds like our native trout but their spawning season is in the fall. (troutunderground.com)

Lodging for the Brown Trout fishing will be in or around the Rochester area, lodging for the Steelhead floats will be in the Pulaski area. (minturnanglers.com)
The Bay Rat Lures Short Shallow swims at a depth of 4 - 8 feet, making it a great choice for Brown Trout, Steelhead, and salmon near the shore, pier heads, and break walls in the fall through early spring as well as walleye and bass along wind-blown shorelines. (fatnancystackle.com)
These fish are an important part of our history and local culture, so much so that the steelhead trout is, in fact, the state fish of Washington . (unaccomplishedangler.com)

Fly Fishing with Streamers for BIG Brown Trout! (globalflyfisher.com)
The fishing up here is a combination of dry fly, nymph and streamers, really dependent on the weather conditions.The char average 3 - 4 lbs although there are specimens up to 7 lbs. the brown trout are sporadic but tend to be very big territorial brownies. (aardvarkmcleod.com)
This Brown trout mania is easily evidenced by countless photos gracing the internet and it's generally accepted that those seeking to catch the Hawg Brown do so by fishing big streamers . (unaccomplishedangler.com)

The largest brown trout weighed over 40 pounds and was caught in Arkansas on May 9, 1992. (foodreference.com)
Double-figure browns have already been caught in the lower Selwyn this season on lures at night. (fishingmag.co.nz)
Every year numerous 5-7 lbs trout are caught, with the occasional 8-9 lbs fish making an appearance. (aardvarkmcleod.com)
This Monday moment of fly fishing zen is brought to you by a Missouri River Brown Trout that was caught and released by Eric Adams. (montanaflyfishingguides.com)
In this video I hook into one of the biggest Wild brown trout I have ever caught. (newsbreak.com)
Personally I've not yet caught a brown trout worth writing home about, but I have caught a few lesser browns on a "Turd" (Pat's Rubber Legs, brown). (unaccomplishedangler.com)
HUGE Brown Caught on the Bitterroot River! (montanaoutdoor.com)

Brown trout were first introduced in North America in 1883. (wired2fish.com)

Therefore, using large lures like minnow baits, spoons and crawfish-imitating crankbaits increases your odds of prompting attacks from quality brown trout. (lurenet.com)

Many subsequent introductions have occurred, and brown trout are now the most widespread and common introduced fish in New Zealand waters. (niwa.co.nz)
Wild native brown trout swim its waters, remnants of the Ice age stocks that stayed on when the glaciers retreated. (aardvarkmcleod.com)
With spring's warming waters, brown trout become more active. (outdoorcanada.ca)

Like all trout, they form redds in moving water, usually over gravel, for spawning. (lurenet.com)
The female trout digs a hole in the gravel and lays her eggs in it. (helen.fi)
The eggs are hatched in the gravel through the winter, and in the spring a new generation of trout is born," says Helen's Maintenance Manager Pekka Lindblad , who is active in the Helsinki Fly Fishing Club in his free time. (helen.fi)

The lacustrine and riverine morphs of brown trout are both potamodromous, meaning they are also migratory, though only between freshwater bodies. (wikipedia.org)

Brown trout closely resemble the Atlantic salmon and both occur in the Lake Te Anau system. (niwa.co.nz)
Brown trout are generally stockier, and have a deeper and shorter caudal peduncle than Atlantic salmon. (niwa.co.nz)
Whether going as a standalone trout fishing trip or combining it with salmon fishing or a family holiday, Iceland offers some of the finest wild brown trout and char fishing in the world. (aardvarkmcleod.com)
Like the salmon beats below, the river bed is a contrast of black sand punctuated with laval rock creating superb lies for large brown trout. (aardvarkmcleod.com)
Fish should be served at least twice per week and one of these should be oily fish (e.g. salmon, sardines, mackerel or trout). (who.int)

Brown trout have been widely introduced into suitable environments around the world, including North and South America, Australasia, Asia, and South and East Africa. (wikipedia.org)
Brown trout have been introduced to at least 40 other countries worldwide, including Australia, South Africa and countries in South America. (niwa.co.nz)

This blue ribbon water is where the really big trout are concentrated and where snagging a trophy is most probable. (troutunderground.com)

more size of 16 inches make the Green River a bucket list trout fishery. (troutunderground.com)
The Big Horn can be an excellent dry fly fishery - if conditions are favorable, trout will readily eat mayflies, cicadas, grasshoppers, crickets, ants and stoneflies during sometimes prolific hatches. (troutunderground.com)
They could be used broadly to inform management decisions and mitigation actions to benefit fishery resources in other aquatic ecosystems affected by humans (e.g., tailwater trout fisheries). (cornell.edu)

Brown trout found in lakes will have a more silver body coloration and primarily black spotting. (wired2fish.com)

Mature browns can be finicky fish at any time. (lurenet.com)

The Kaldakvisl is over 16 miles of fishing and Tungnaa which is 8 miles long, both of which contain brown trout and arctic char to some pretty impressive sizes. (aardvarkmcleod.com)
The perfect environment for large ice aged brown trout and arctic char. (aardvarkmcleod.com)

Because browns sometime abandon their deep dark lairs during fall, I decided to cast to the lower end of the pool and swim my lure through the shallow tail-out before I walked through it. (lurenet.com)
That turned out to be the right choice, as the cast resulted in a modest-sized but spectacularly marked brown trout that hit in a nothing-looking, shallow spot. (lurenet.com)
Brown trout found in shallow clearwater environments will be brighter in coloration with more red spotting. (wired2fish.com)

The first introductions were in Australia in 1864 when 300 of 1500 brown trout eggs from the River Itchen survived a four-month voyage from Falmouth, Cornwall to Melbourne on the sailing ship Norfolk. (wikipedia.org)
The original shipment of "von Behr" brown trout eggs were handled by three hatcheries, one on Long Island, the Cold Spring Hatchery operated by Mather, one in Caledonia, New York, operated by pisciculturalist Seth Green, and other hatchery in Northville, Michigan. (wikipedia.org)
The then US Fish Commissioner Spencer Fullerton Baird authorized the purchase of brown trout eggs from the German Fishing Society. (wired2fish.com)

Brown trout were one of the first types of fish to be farmed and bred - dating back to at least 15th century Europe. (foodreference.com)
Trout fodder is abundant in the Big Horn, and often the best way to find fish is to go subsurface. (troutunderground.com)
Sea-run and lake fish tend to be silvery with brown and olive spots of varying intensity, whereas river-dwelling fish are darker with dark brown and red spots, the latter being surrounded by paler halos. (niwa.co.nz)
If an adult brown trout detects your presence before you cast, the game is usually over before it starts for that fish. (lurenet.com)
These Ice age fish have a large average size of 4 lbs, but unlike trout in other areas of the wold they remain insect feeders. (aardvarkmcleod.com)
Last year's excursion put on 1600 miles over 7 days chasing primarily Big Brown Trout, so expect to move for the fish. (minturnanglers.com)
Throughout the US the variance in brown trout coloration and spotting is wide, primarily due to ancestry of the fish coming from numerous broad stock from around the world. (wired2fish.com)
It boasted the highest trout population in the state of Montana in 2012 with over 8,000 fish per mile and 20′′ fish are common. (montanaflyfishingguides.com)
One measure of brown trout production is the density of young of the year fish. (slu.se)

more of the Big Horn Basin, the river hosts Browns, Rainbows and Cutthroat trout. (troutunderground.com)

The colour pattern of brown trout varies with their habitat. (niwa.co.nz)
Based on previous studies environmental factors important for brown trout habitat requirement were selected. (slu.se)

By 1866, 171 young brown trout were surviving in a Plenty River hatchery in Tasmania. (wikipedia.org)
Thirty-eight young trout were released in the river, a tributary of the River Derwent in 1866. (wikipedia.org)
You might be blind fishing but there are still brown trout in the lower Selwyn River! (fishingmag.co.nz)
As mentioned in Selwyn River Brown Trout, George Ferris once described the Selwyn, in its heyday, as being looked on as "the best brown trout river in the Dominion. (fishingmag.co.nz)
Helen organised a working party afternoon for its personnel on the river Mätäjoki to help the brown trout, which is under extreme threat. (helen.fi)
Last autumn, the first brown trout born in the river spawned in its fast-flowing sections. (helen.fi)
The Trout Shop strives to help you spend more quality time on the river. (thetroutshop.com)
Kootenai River Brown! (montanaoutdoor.com)
Big Missouri River Brown! (montanaoutdoor.com)

Brown trout typically have a streamlined torpedo body shape, unless they are located in pools where they can become slightly rounder in appearance. (wired2fish.com)

He had several patterns that he said would do well for the trout we were about to catch tomorrow. (flyfishingnc.com)
Brown trout can have unbelievably unique body coloration and spotting patterns, which can often be manipulated by their physical environment. (wired2fish.com)

Then we went to an area where we knew they were making Redd, so we drifted our flies through the seams and alley ways a couple times and got some smaller trout. (flyfishingnc.com)

Brown trout are native to Europe and were first introduced into New Zealand in the late 1860s from British stock that was first established in Tasmania. (niwa.co.nz)

Lake dwelling brown trout are predominantly silver, stream dwelling brown trout are spotted. (foodreference.com)
Fighting a big trout down stream has more of a chance of the hook coming out of it's mouth, and I didn't want to loose this one. (flyfishingnc.com)
Secondary and tertiary-level effects were compared between trout in a stream segment receiving cold, turbid water releases from an aqueduct originating in a nearby reservoir and trout in a stream segment above the confluence of the aqueduct (i.e., unaffected by releases from the aqueduct). (cornell.edu)
Stream conditions upstream from the aqueduct were warm and low-flow (i.e., stressful for trout), and the water was clear and not turbid during both summers. (cornell.edu)
Therefore, stream conditions throughout upper Esopus Creek during both summers were stressful for trout to some extent, and this was reflected in serum chemistry, body condition, movement and growth. (cornell.edu)
Studies on sea trout and brown trout recruitment in a stream in Mid-Wales. (nerc.ac.uk)
An additional benefit of the use of environmental data for estimations of maximum young of the year brown trout density is that estimates can easier be scaled up to cover a whole stream without the use of long time series of data. (slu.se)

Brown trout occur virtually everywhere in New Zealand south of Auckland. (niwa.co.nz)

Brown trout were widely stocked in the first half of this century, but today most come from natural reproduction. (troutunderground.com)

The native range of brown trout extends from northern Norway and White Sea tributaries in Russia in the Arctic Ocean to the Atlas Mountains in North Africa. (wikipedia.org)

How about those giant browns? (montanaoutdoor.com)

Brown trout do not undertake extensive spawning migrations like some of the other salmonids, but some movement does occur, particularly for lake populations. (niwa.co.nz)

Most guides agree that the months of July, August, September and October are prime for catching trophy trout. (troutunderground.com)

Spanning 12 ½ km it represents perhaps some of the finest wild brown trout fishing in Europe. (aardvarkmcleod.com)

Although there are none of our normal variety of biting mosquitoes in Iceland they do have a number of other chironomids that the trout feed on readily. (aardvarkmcleod.com)

The most definitive monograph on the ecology of the brown trout. (anglebooks.com)

Although brown trout have spread to Fiordland, they have not become established on Chatham or Stewart Islands. (niwa.co.nz)
Spread the Brown Trout with butter and cover with heavy duty foil. (fly-fishing-discounters.com)

This is an excellent baitfish pattern that can be tied on larger streamer hooks from size 4 to size 8, and it's a sleek swimmer in the water, which is often exactly what migrating browns are looking for. (tu.org)
Brown trout offer a great amount of variation in body coloration and spotting and survive in almost all cool water aquatic environments. (wired2fish.com)

The response of brown trout to altered temperature, turbidity and flow regimes in upper Esopus Creek, New York were evaluated at multiple biological levels during summers 2010 and 2011. (cornell.edu)

Anatomy8

Organisms13

Diseases4

Chemicals and Drugs1

Psychiatry and Psychology1

Phenomena and Processes13

Disciplines and Occupations1

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture1

Information Science1

Health Care7

Salmo16

Rainbow15

Angler3

Brook trout3

Anglers6

Downstream9

Rivers7

Species12

Streams5

Production of brown trout1

Trutta1

Monster Brown Trout2

Spawn1

Steelhead3

Streamers3

Caught7

North America1

Lures1

Waters3

Gravel3

Freshwater1

Salmon5

South America2

Blue ribbon1

Fishery3

Lakes1

Finicky1

Arctic char2

Shallow3

Eggs3

Fish9

Rainbows1

Habitat2

River9

Typically1

Patterns2

Flies1

Tasmania1

Stream7

Zealand1

Widely1

Native1

Giant1

Lake1

Catching1

Wild Brown1

Readily1

Definitive1

Spread2

Water2

Regimes1