The Walker River Indian Reservation is an Indian reservation located in central Nevada in the United States . It belongs to the Walker River Paiute Tribe, a federally recognized tribe of Northern Paiute people .
90-522: The tribe represents two Northern Paiute bands, the larger Aga'idökadö (Agai Ticutta) (" Cutthroat trout Eaters") and the smaller Pakwidökadö (Pugwi Ticutta) ("Chub carp Eaters"). The reservation is located along the Walker River between Yerington and Walker Lake (in Northern Paiute: Hagi ). At the current lake level, the reservation has only a small frontage on Walker Lake. The bulk of
180-410: A steelhead subspecies, generally accepted as coming from Sonoma Creek . The rainbow trout of New Zealand still show the steelhead tendency to run up rivers in winter to spawn. In Australia, the rainbow trout was introduced in 1894 from New Zealand and is an extremely popular gamefish in recreational angling. Despite severely impacting the distribution and abundance of native Australian fish, such as
270-451: A backbone like snails, worms, or insects. They also eat flies, and most people who try to use lures to fish trout mimic flies because they are one of trout's most fed on meals. Trout enjoy certain land animals, including insects like grasshoppers. They also eat small animals like mice when they fall in. (Although only large trout have mouths capable of eating mice.) They consume a diet of aquatic life like minnows or crawfish as well. Trout have
360-408: A condition known as physostome . Unlike many other physostome fish, trout do not use their bladder as an auxiliary device for oxygen uptake, relying solely on their gills . There are many species, and even more populations, that are isolated from each other and morphologically different. However, since many of these distinct populations show no significant genetic differences, what may appear to be
450-595: A diverse diet they follow; they have plenty of different oppositions. Compared to other salmonids, trout are somewhat more bony , but the flesh is generally considered delicious, and the texture is often indistinguishable from that of salmon . The flavor of the flesh is heavily influenced by the diet of the fish. For example, trout that have been feeding on crustaceans tend to be more flavorful than those feeding primarily on insects and larvae . Because of their popularity, trout are often raised on fish farms and then stocked into heavily fished waters, in an effort to mask
540-600: A force the native salmon and trout have to reckon with. Not only do the non-native fish drive the native fish to occupy new niches, but they also try to hybridize with them, contaminating the native gene construction. As more hybrids between native and non-native fish are formed, the lineage of the pure fish is continuously being contaminated by other species and soon may no longer represent the sole native species. The Rio Grande cutthroat trout ( Oncorhynchus clarki virginalis ) are susceptible to hybridization with other salmonids such as rainbow trout ( Oncorhynchus mykiss ) and yield
630-696: A good fight when caught with a hook and line . As trout are predatory fish , lure fishing (which use replica baits called lures to imitate live prey) is the predominant form of sport fishing involving trout, although traditional bait fishing techniques using floats and/or sinkers (particularly with moving live baits such as baitfish , crayfish or aquatic insects ) are also successful, especially against stocked trout that are hatchery / farm -raised and thus more accustomed to artificial feeds . Many species of trout, most noticeably rainbow trout and brown trout , have been widely introduced into waterbodies outside of their native ranges purely for
720-487: A large development of campgrounds, cabins, stores and service facilities were built just east of the bridge to support anglers. This area is now known as the Fishing Bridge Historic District. The 1937 bridge boasted pedestrian walkways on either side of the roadway to give more room to anglers. Angling in the river, at Fishing Bridge and in the lake, boomed during the 1950s and 1960s and over harvest caused
810-477: A large number of species is considered a much smaller number of distinct species by most ichthyologists . The trout found in the eastern United States are a good example of this. The brook trout , the aurora trout , and the (extinct) silver trout all have physical characteristics and colorations that distinguish them, yet genetic analysis shows that they are one species, Salvelinus fontinalis . Lake trout ( Salvelinus namaycush ), like brook trout, belong to
900-479: A large part of the diet. In general, trout longer than about 300 millimetres (12 in) prey almost exclusively on fish, where they are available. Adult trout will devour smaller fish up to one-third of their length. Trout may feed on shrimp , mealworms , bloodworms , insects , small animal parts, and eel . Trout who swim the streams love to feed on land animals, aquatic life, and flies. Most of their diet comes from macroinvertebrates, or animals that do not have
990-514: A major role in the restoration of the greenback ( O. v. stomias ) and Westslope cutthroat trout ( O. lewisi ) . The historic native range of cutthroat trout has been reduced by overfishing , urbanization and habitat loss due to mining, livestock grazing and logging. Population densities have been reduced and in some cases populations have disappeared though competition with non-native brook , brown, lake and rainbow trout, kokanee salmon , lake whitefish and mysis shrimp which were introduced in
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#17328588038861080-429: A new " cutbow " trout, which is a contamination of both lineages’ genes. One solution to this issue is implemented by New Mexico Department of Game and Fish hatcheries : stock only sterile fish in river streams. Hatcheries serve as a reservoir of fish for recreational activities but growing and stocking non-sterile fish would worsen the hybridization issue on a quicker, more magnified time scale. By stocking sterile fish,
1170-535: A significant decline in the fishery. Consequently, in 1973, fishing was no longer permitted from Fishing Bridge. The Pyramid Lake strain of the Lahontan cutthroat trout, source of the 41-pound (19 kg) world record and native to Pyramid Lake, Lake Tahoe and the Truckee River, was brought to near-extinction in the two decades between the 1920s-40s from overharvest, introduced species and loss of spawning habitat. In
1260-588: A source of nutrients for scavengers , detrivores and riparian florae , making trout keystone species across aquatic and terrestrial ecosystems . The name "trout" is commonly used for many (if not most) species in three of the seven genera in the subfamily Salmoninae: Salmo ( Atlantic ), Oncorhynchus ( Pacific ) and Salvelinus ( circum - arctic ). Fish species referred to as trout include: Trout that live in different environments can have dramatically different colorations and patterns. Mostly, these colors and patterns form as camouflage , based on
1350-434: A species based on geography. To facilitate further discussion without needing to resolve that detail, the panel used the term "uniquely identifiable evolutionary unit" (UIEU) to describe various evolutionary subunits within a species. In short, UIEUs are recognizable population groups that show independence in an evolutionary sense, but do not meet all the criteria to be considered full species. The evolutionary history of
1440-664: A surviving population of a pure Pyramid Lake strain in a small headwaters stream on the Nevada-Utah border that had at some point around 1900 been introduced into the stream. In 1995, the U.S. Fish and Wildlife Service began rearing these fish in the Lahontan National Fish Hatchery in Gardnerville, Nevada . In 2006, the Pyramid Lake strain of Lahontan cutthroat trout were reintroduced into the lake. As Pyramid Lake has
1530-498: A very shallow shoreline, anglers use ladders to stand comfortably in 3 to 4 feet (0.9 to 1.2 m) of water and cast to trout cruising along shoreline breaks. Considered a "world-class" fishery, anglers routinely catch cutthroat trout exceeding 10 lb (4.5 kg). The cutthroat trout is the state fish of Idaho, Montana and Wyoming, while particular subspecies of cutthroat are the state fish of Colorado, Nevada, New Mexico and Utah. Trout Trout ( pl. : trout)
1620-415: Is a generic common name for numerous species of carnivorous freshwater ray-finned fishes belonging to the genera Oncorhynchus , Salmo and Salvelinus , all of which are members of the subfamily Salmoninae in the family Salmonidae . The word trout is also used for some similar-shaped but non-salmonid fish, such as the spotted seatrout/speckled trout ( Cynoscion nebulosus , which
1710-564: Is actually a croaker ). Trout are closely related to salmon and have similar migratory life cycles . Most trout are strictly potamodromous , spending their entire lives exclusively in freshwater lakes , rivers and wetlands and migrating upstream to spawn in the shallow gravel beds of smaller headwater creeks . The hatched fry and juvenile trout, known as alevin and parr , will stay upstream growing for years before migrating down to larger waterbodies as maturing adults . There are some anadromous species of trout, such as
1800-625: Is buried in Schurz. Weber Reservoir, an impoundment of the Walker River, is located upstream of Schurz and provides irrigation water for farms on the reservation. Given the environmental conditions, most of the reservation is used for cattle range . The Walker River Paiute joined with the Pyramid Lake Paiute tribe (two Northern Paiute bands: Kuyuidökadö (Cui Yui Ticutta) : " Cui-ui -Fish-Eaters", and Tasiget tuviwarai : "Those who live amidst
1890-661: Is much cheaper than the imported Atlantic salmon and the meat are indistinguishable to the untrained eyes, and the news of trout being sold as salmon triggered public scrutiny accusing seafood suppliers of bait-and-switch and unethical business practices . Also, many people believe freshwater trout are more prone to parasites than oceanic salmon (even though both live in freshwater for significant periods of their life cycles) and thus unsafe for raw eating . One fillet of trout (about 79 g or 2.8 oz) contains: Trout are very popular freshwater game fish highly prized especially by creek fishermen, because they generally put up
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#17328588038861980-651: Is now known as an ecotype of the Yellowstone cutthroat) annually to support fisheries in Idaho and Wyoming. The Leadville National Fish Hatchery produces 125,000–200,000 Snake River fine-spotted, greenback cutthroat and rainbow trout annually to support fishing in the Fryingpan and Arkansas River drainages and other Colorado waters. The Bozeman Fish Technology Center , formerly a cutthroat trout fish hatchery in Bozeman, Montana , plays
2070-571: Is the Lahontan cutthroat trout ( O. h. henshawi ) . These fish average 8 to 9 in (20 to 23 cm) in small streams and 8 to 22 in (20 to 56 cm) in larger rivers and lakes. In ideal environments, the Lahontan cutthroat trout attains typical weights of 0.25 to 8 lb (0.11 to 3.63 kg). The world record cutthroat trout is a Lahontan at 39 in (99 cm) and 41 lb (19 kg). Cutthroat trout usually inhabit and spawn in small to moderately large, clear, well-oxygenated, shallow rivers with gravel bottoms. They are native to
2160-448: Is typical of healthy cutthroat trout habitat and beaver ponds may provide refuge during periods of drought and over winter. Most populations stay in fresh water throughout their lives and are known as nonmigratory, stream-resident or riverine populations. The coastal cutthroat trout ( O. clarkii ) is the only cutthroat trout subspecies to coevolve through its entire range with the coastal rainbow trout ( O. m. irideus ). Portions of
2250-463: Is virtually impossible to define a particular color pattern as belonging to a specific breed; however, in general, wild fish are claimed to have more vivid colors and patterns. Trout have fins entirely without spines, and all of them have a small adipose fin along the back, near the tail. The pelvic fins sit well back on the body, on each side of the anus. The swim bladder is connected to the esophagus , allowing for gulping or rapid expulsion of air,
2340-585: The Salmo s– brown trout ( S. trutta ) or Atlantic salmon ( S. salar ) of the Atlantic Basin . Thus, in 1989, taxonomic authorities moved the rainbow, cutthroat and other Pacific Basin trout into the genus Oncorhynchus . This single species ( O. clarkii) classification is now changed. Genetic, taxonomic, and geologic studies have determined that cutthroat trout should be divided into four distinct species, with each having multiple subspecies corresponding to
2430-583: The American Fisheries Society (AFS) in 2015, the Western Division of AFS (WDAFS) hosted an expert-panel workshop to evaluate the validity of the currently recognized subspecies, using evidence both for and against. The panel found the Behnke classification scientifically indefensible, and proposed an updated phylogeny and classification that aligns with the corpus of evidence. One specific detail
2520-607: The Cascade Range , the Great Basin and throughout the Rocky Mountains including southern Alberta . Some coastal populations of the coastal cutthroat trout ( O. c. clarkii ) are semi-anadromous, spending a few months in marine environments to feed as adults and returning to fresh water from fall through early spring to feed on insects and spawn. Cutthroat trout have the second-largest historic native range of North American trout;
2610-708: The Continental Divide in the upper Missouri River basin, upper Arkansas and Platte River basins and upper Yellowstone River basin, each which drain into the Atlantic basin via the Mississippi River (in 2005, researchers published a report stating that a natural distribution of ( O. mykiss ) , the Conchos trout, is also located in an Atlantic basin drainage ). Scientists believe that the climatic and geologic conditions 3–5 million years ago allowed cutthroat trout from
2700-599: The Gila trout and O. apache , the Apache trout in regions where their ranges overlap. Cutthroat trout are native to western North America and have evolved through geographic isolation into at least 25 genetically-recognizable lineages, each native to a different major drainage basin . Native cutthroat trout species are found along the Pacific Northwest coast from Alaska through British Columbia into northern California , in
2790-624: The Greater Yellowstone Ecosystem , the presence of lake trout ( Salvelinus namaycush ) in Yellowstone Lake in Yellowstone National Park has caused a serious decline in Yellowstone cutthroat trout ( O. v. bouvierii ) . Outbreaks of whirling disease in major spawning tributaries within the native ranges have also caused declines. Most subspecies of cutthroat trout are highly susceptible to whirling disease, although
Walker River Indian Reservation - Misplaced Pages Continue
2880-463: The Pyramid Lake Paiute , the Walker River Paiute joined in a successful civil rights suit in federal court against the state government to gain polling places on their homelands in 2016. They have had a discriminatory burden in the past by having to travel excessive distances to vote in elections. Walker River voters were enthusiastic after the victory, with early voting in the first two days on
2970-672: The Snake River to migrate over the divide into the Yellowstone plateau via Two Ocean Pass . There is also evidence that Yellowstone Lake once drained south into the Snake River drainage. Evidence suggests that the westslope cutthroat trout was able to establish populations east of the divide via Summit Lake at Marias Pass which at one time connected the Flathead River drainage with the upper Missouri River drainage. Scientists speculate that there are several mountain passes associated with
3060-442: The U.S. Bureau of Fisheries . These hatcheries not only produced stocks of the Yellowstone cutthroat trout ( O. v. bouvierii ) for the park, but also took advantage of the great spawning stock of cutthroat trout to supply eggs to hatcheries around the U.S. Between the years 1901 and 1953 a total of 818 million trout eggs were exported from the park to hatcheries throughout the U.S. The Lahontan National Fish Hatchery operated by
3150-545: The alluvial or freestone streams that are typical tributaries of the rivers of the Pacific Basin, Great Basin and Rocky Mountains. Cutthroat trout spawn in the spring and may inadvertently but naturally hybridize with rainbow trout, producing fertile cutbows . Some populations of the coastal cutthroat trout ( O. c. clarkii ) are semi-anadromous . Several subspecies of cutthroat trout are currently listed as threatened in their native ranges due to habitat loss and
3240-645: The climbing galaxias , millions of rainbow and other trout species are released annually from government and private hatcheries. The closest resemblance of seema trout and other trout family can be found in the Himalayan Region of India, Nepal, Bhutan, Pakistan and in Tian Shan mountains of Kyrgyzstan . Trout generally feed on other fish, and soft-bodied aquatic invertebrates , such as flies , mayflies , caddisflies , stoneflies , mollusks and dragonflies . In lakes, various species of zooplankton often form
3330-819: The family Salmonidae native to cold-water tributaries of the Pacific Ocean , Rocky Mountains , and Great Basin in North America. These four species are the Coastal ( O. clarkii ), Westslope ( O. lewisi ), Lahontan ( O. henshawi ), and the Rocky Mountain ( O. virginalis ). As a member of the genus Oncorhynchus , it is in the Pacific trout group, which includes the widely distributed rainbow trout . Cutthroat trout are popular gamefish , especially among anglers who enjoy fly fishing . The common name "cutthroat" refers to
3420-439: The introduction of non-native species. Two subspecies, O. henshawi alvordensis and O. virginalis macdonaldi , are considered extinct . Cutthroat trout are raised in hatcheries to restore populations in their native range, as well as stock non-native lake environments to support angling. The cutthroat trout type species and several subspecies are the official state fish of seven western U.S. states. Cutthroat trout were
3510-404: The lake trout ( Salvelinus namaycush ) having the largest. Ranges of some subspecies, particularly the westslope cutthroat trout ( O. l. lewisi ) , have been reduced to less than 10 percent of their historic range due to habitat loss and introduction of non-native species. Although members of Oncorhynchus , the Pacific trout/salmon species, multiple lineages evolved populations east of
3600-994: The steelhead (a coastal subspecies of rainbow trout ) and sea trout (the sea-run subspecies of brown trout ), that can spend up to three years of their adult lives at sea before returning to freshwater streams for spawning, in the same fashion as a salmon run . Brook trout and three other extant species of North American trout, despite the names, are actually char (or charr) , which are salmonids also closely related to trout and salmon. Trout are classified as oily fish and have been important food fish for humans . As mid-level predators , trout prey upon smaller aquatic animals including crustaceans , insects , worms , baitfish and tadpoles , and themselves in turn are also important staple prey items for many wildlifes including brown bears , otters , raccoons , birds of prey (e.g. sea eagles , ospreys , fish owls ), gulls , cormorants and kingfishers , and other large aquatic predators. Discarded remains of trout also provide
3690-403: The westslope cutthroat trout ( O. l. lewisi ) . As one of Lewis and Clark's many missions was to describe the flora and fauna encountered during their expedition, cutthroat trout were given the name Salmo clarkii in honor of William Clark. In 1836, the type specimen of S. clarkii was described by naturalist John Richardson from a tributary of the lower Columbia River , identified as
Walker River Indian Reservation - Misplaced Pages Continue
3780-488: The "Katpootl", which was perhaps the Lewis River , as there was a Multnomah village of similar name at the confluence . This type specimen was most likely the coastal cutthroat trout subspecies O. c. clarkii . Until the 1960s, populations of westslope cutthroat trout and Yellowstone cutthroat trout were lumped into one subspecies; Salmo clarkii lewisii . Biologists later split the group into two subspecies, christening
3870-700: The 1890s and sporadically in the early 20th century, but never established wild populations. A population of Yellowstone cutthroat trout purportedly has been established in Lake Huron . Cutthroat are routinely introduced by the Arizona Game and Fish Department into high mountain lakes in the White Mountains in the northeastern region of that state. Cutthroat trout require cold, clear, well-oxygenated, shallow rivers with gravel bottoms or cold, moderately deep lakes. Healthy stream-side vegetation that reduces siltation
3960-493: The 1890s, the Yellowstone cutthroat trout fishery in the Yellowstone River and Yellowstone Lake were well known and being promoted in national guidebooks. Fishing Grounds.—In the river at the lake outlet are the fishing grounds, about a mile from the hotel, while at many places between the lake and canyon excellent fishing is had from shore. The best results in the outlet are had from row boats; they can be rented from
4050-495: The 1970s, Pyramid Lake was stocked with Lahontan cutthroat trout strains still surviving in some nearby lakes, but they were not the large Pyramid Lake strain. Although the Pyramid Lake Paiute Tribe had been successful in re-establishing a cutthroat trout fishery on the reservation in Pyramid Lake, the cutthroat trout were not the large fish of the late 19th and early 20th century. In the late 1970, biologists discovered
4140-537: The Colorado River system was invaded from the Yellowstone and not the upper Arkansas River. More recently, an alternative theory demonstrates that cutthroat trout originated in the Bonneville Basin and then radiated outwards approximately 4 million years ago. This theory was based on their interpretation of the fossil record and DNA analysis. New evidence, particularly DNA analysis, is providing new insights into
4230-458: The Secretary of State for Nevada to improve conditions at local county polling places for urban Indians, who testified in the suit to being made uncomfortable at most offices. 38°59′49″N 118°42′40″W / 38.99694°N 118.71111°W / 38.99694; -118.71111 Cutthroat trout The cutthroat trout ( Oncorhynchus sp. ) is a group of four fish species of
4320-525: The Snake River drainage from U.S. government stocking operations in 1890, they were never officially introduced into the Yellowstone River drainage and their presence there is probably the result of accidental or illegal introductions. By 2000, the cutthroat trout population had declined to less than 10 percent of its early 20th century abundance. However, aggressive lake trout eradication programs have killed over 1 million lake trout since 1996, and
4410-420: The Snake River fine-spotted cutthroat trout appears to be resistant to the parasite. The most serious impact on the genetic purity of most cutthroat trout subspecies results from interspecific and intraspecific breeding resulting in hybrids that carry the genes of both parents. In inland populations, the introduction of rainbow trout from hatchery stocks have resulted in cutbow hybrids that continue to diminish
4500-589: The U.S. Fish and Wildlife Service exists to restore populations of the Lahontan cutthroat trout ( O. h. henshawi ) in Pyramid , Walker , Fallen Leaf , June , Marlette, and Gull Lakes and the Truckee River in California and Nevada. The hatchery produces about 300,000–400,000 Lahontan cutthroat trout fry annually. The Jackson National Fish Hatchery produces around 400,000 Snake River fine-spotted cutthroat trout (which
4590-891: The Westslope cutthroat trout's ( O. lewisi ) range overlap with the Columbia River redband trout ( O. m. gairdneri ) , but the majority of its native range is in headwater tributary streams above major waterfalls and other barriers to upstream migration. At least three subspecies are confined to isolated basins in the Great Basin and can tolerate saline or alkaline water. Cutthroat trout are opportunistic feeders . Stream-resident cutthroat trout primarily feed on larval , pupal and adult forms of aquatic insects (typically caddisflies , stoneflies , mayflies and aquatic dipterans ), and adult forms of terrestrial insects (typically ants , beetles , grasshoppers and crickets ) that fall into
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#17328588038864680-404: The alluvial or freestone streams typical of tributaries of the Pacific Basin, Great Basin and Rocky Mountains. They spawn in the spring, as early as February in coastal rivers and as late as July in high mountain lakes and streams. Spawning begins when water temperatures reach 43 to 46 °F (6 to 8 °C). Cutthroat trout construct a redd in the stream gravel to lay eggs. The female selects
4770-428: The back. Cutthroat trout can generally be distinguished from rainbow trout by the presence of basibranchial teeth at the base of tongue and a maxillary that extends beyond the posterior edge of the eye. Depending on subspecies, strain and habitat, most have distinctive red, pink, or orange linear marks along the underside of their mandibles in the lower folds of the gill plates. These markings are responsible for
4860-422: The char genus. Lake trout inhabit many of the larger lakes in North America, and live much longer than rainbow trout , which have an average maximum lifespan of seven years. Lake trout can live many decades, and can grow to more than 30 kilograms (66 lb). As salmonids, trout are coldwater fish that are usually found in cool (50–60 °F or 10–16 °C), clear streams, wetlands and lakes, although many of
4950-431: The closely related rainbow trout, producing fertile hybrids commonly called " cutbows ". This hybrid generally bears similar coloration and overall appearance to the cutthroat trout, usually retaining the characteristic orange-red slash. Cutbow hybrids often pose a taxonomic difficulty when trying to distinguish any given specimen as a rainbow or cutthroat trout. In addition, cutthroat trout may hybridize with O. gilae ,
5040-1047: The common name "cutthroat", first given to the trout by outdoor writer Charles Hallock in an 1884 article in The American Angler . These markings are not unique to the species. Some coastal rainbow trout ( Oncorhynchus mykiss irideus ) and Columbia River redband trout ( O. m. gairdneri ) populations also display reddish or pink throat markings. At maturity, different populations and subspecies of cutthroat trout can range from 6 to 40 inches (15 to 102 cm) in length, depending on habitat and food availability. Sea-run forms of coastal cutthroat trout average 2 to 5 pounds (0.9 to 2.3 kg). The length and weights of mature inland forms vary widely depending on their particular environment and availability of food. Stream-resident fish are much smaller, 0.4 to 3.2 ounces (11 to 91 g), while lacustrine populations have attained weights ranging from 12 to 17 lb (5.4 to 7.7 kg) in ideal conditions. The largest cutthroat trout subspecies
5130-413: The cutthroat trout is complex and not fully agreed upon by all scientists. What is known is that cutthroat trout were present in the then-forming Lahontan basin 10 million years ago. This, coupled with new information about drainage patterns in western rivers, suggests that the interior radiation and colonization pathways of the cutthroat trout may be different than what was previously thought. Previously,
5220-576: The day and larger trout crowding in during morning and evening feeding periods. Fishing for trout under the ice generally occurs in depths of 4 to 8 feet (1.2 to 2.4 m). Because trout are cold water fish, during the winter they move from up-deep to the shallows, replacing the small fish that inhabit the area during the summer. Trout in winter constantly cruise in shallow depths looking for food, usually traveling in groups, although bigger fish may travel alone and in water that's somewhat deeper, around 12 feet (3.7 m). Rainbow, Brown, and Brook trout are
5310-446: The distinctive red coloration on the underside of the lower jaw . The specific name clarkii was given to honor explorer William Clark , coleader of the Lewis and Clark Expedition . Cutthroat trout usually inhabit and spawn in small to moderately large, clear, well- oxygenated , shallow rivers with gravel bottoms. They reproduce in clear, cold, moderately deep lakes. They are native to
5400-517: The early 20th century. Managers implemented catch and release , which required anglers to return their catches to the lake, and they terminated hatchery operations in the park, which allowed the cutthroat trout to recover. Then, in 1994, park officials discovered lake trout ( Salvelinus namaycush ) in Yellowstone Lake. Although lake trout were established in Shoshone , Lewis and Heart Lakes in
5490-554: The effects of overfishing . Farmed trout are also sold commercially as seafood , although they are not saltwater fish . Trout meat is typically prepared the same way as salmon, often by smoking . In Mainland China , farm-raised rainbow trout from Qinghai was officially sanctioned to be labeled and sold domestically as salmon, which caused much controversy regarding food safety and consumer rights violation , as raw fish dishes or yusheng using Atlantic salmon are gaining popularity in southern China . Farmed rainbow trout
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#17328588038865580-449: The evolutionary lineages found within major river basins, except for the Coastal cutthroat trout. Behnke in his salmon and trout handbook of 2002 recognized 14 subspecies of cutthroat trout that are each native to a separate geographic area. Not all of them were scientifically described, and different views on the taxonomic identities have been presented. During the annual meeting of
5670-429: The extinction of the yellowfin cutthroat trout ( O. v. macdonaldi ) and Alvord cutthroat trout ( O. h. alvordensis ) subspecies to the introduction of non-native rainbow trout. The population at the core of the Yellowstone cutthroat trout's native range, in Yellowstone Lake, declined significantly in the 1960s due to overharvest of mature cutthroat trout by anglers, as well as overharvesting of eggs by hatcheries in
5760-583: The first New World trout encountered by Europeans when in 1541, Spanish explorer Francisco de Coronado recorded seeing trout in the Pecos River near Santa Fe, New Mexico . These were most likely Rio Grande cutthroat trout ( O. v. virginalis ) . The species was first described in the journals of explorer William Clark from specimens obtained during the Lewis and Clark Expedition from the Missouri River near Great Falls, Montana , and these were most likely
5850-415: The first evolutionary theory, based on the work of David Starr Jordan and later Robert J. Behnke, proposed that an ancestral cutthroat trout from Asia entered North America and dispersed inland through the Columbia River basin. The formation of Shoshone Falls on the Snake River then isolated groups of trout, leading to the variety of subspecies seen today. Behnke later modified this theory, suggesting that
5940-456: The fly angler. From Alaska to Northern California, coastal cutthroat trout in sea-run, resident stream and lacustrine forms are sought by anglers. Puget Sound in Washington is a stronghold of sea-run cutthroat trout fishing with its many tributaries and protected saltwater inlets and beaches. Fly anglers search for sea-run cutthroat trout along beaches, river mouths and estuaries year round. In
6030-534: The genetic purity of many cutthroat trout subspecies. The introduction of hatchery-raised Yellowstone cutthroat trout into native ranges of other cutthroat trout subspecies, particularly the westslope cutthroat trout, has resulted in intraspecific breeding and diminished genetic purity of the westslope subspecies. As such, populations of genetically pure westslope cutthroat trout are very rare and localized in streams above barriers to upstream migrations by introduced species. Fisheries biologist Robert J. Behnke attributes
6120-729: The headwaters of the Colorado River drainage and Arkansas/Platte River drainages that would have allowed migration of cutthroat trout east of the divide. Cutthroat trout have been introduced into non-native waters outside their historic native range, but not to the extent of the rainbow trout ( O. mykiss ) . Within the native range of the Yellowstone cutthroat trout, U.S. Fisheries Bureau and National Park Service authorities introduced Yellowstone cutthroat trout into many fishless lakes in Yellowstone National Park . Cutthroat trout were introduced into Lake Michigan tributaries in
6210-558: The hope is that this will lead to a restoration of cutthroat numbers. Cutthroat trout co-exist with lake trout in Heart Lake , an isolated back-country lake at the head of the Heart River that gets little angling pressure. Cutthroat trout are prized as a gamefish, particularly by fly anglers. They are regulated as a gamefish in every state and province they occur in. From the Yellowstone cutthroat trout fishery in Yellowstone National Park,
6300-533: The late 19th and early 20th centuries. Scientists believe the westslope cutthroat trout will eventually be extirpated from the large lakes in Western Montana due to the trophic cascades resulting from lake trout and mysis shrimp introductions. The most serious current threats to several subspecies are interspecific breeding with introduced rainbow trout, creating hybrid cutbows, and intraspecific breeding with other introduced cutthroat trout subspecies. In
6390-605: The lower reaches of larger rivers, anglers in drift boats float the rivers searching for trout along the wooded shorelines. In addition to a cutthroat trout sport fishery managed by the Alaska Department of Fish and Game, the Federal Subsistence Management Program manages coastal cutthroat trout subsistence fisheries in Southeast Alaska. Yellowstone National Park was established in 1872. By
6480-744: The most common trout species caught through the ice. By information from International Game Fish Association (IGFA), the most outstanding records are: Salmonid populations in general have been declining due to numerous factors, including invasive species , hybridization, wildfires, and climate change. Native salmonid fish in the western and southwestern United States are threatened by non-native species that were introduced decades ago. Non-native salmonids were introduced to enrich recreational fishing; however, they quickly started outcompeting and displacing native salmonids upon their arrival. Non-native, invasive species are quick to adapt to their new environment and learn to outcompete any native species, making them
6570-739: The mountains") in a 2016 civil rights suit in federal court against the state to secure polling places on their reservations. Otherwise members had to travel excessive miles to reach a polling place. Early voting for the 2016 elections at Walker River reservation started October 22, and during the first two days, turnout nearly equaled the total of all voters in the 2012 presidential election. Native Americans in Nevada have become more politically active in presidential and other elections, as have those in other states. As part of that, they have been seeking more equitable access to polling places and treatment by county and state officials. Led by chairman Vinton Hawley of
6660-559: The name westslope cutthroat trout with the lewisii name which honors explorer Meriwether Lewis and renaming the Yellowstone cutthroat trout Salmo bouvierii , the first name given to the Yellowstone cutthroat trout by David Starr Jordan in 1883 honoring a U.S. Army Captain Bouvier. In 1989, morphological and genetic studies indicated trout of the Pacific Basin were genetically closer to Pacific salmon ( Oncorhynchus species) than to
6750-485: The native Gila trout will be evacuated from streams that are threatened by nearby fires and be reintroduced after the threat is resolved. Climate change is also dwindling native salmonid populations. Global warming continually affects various cold-water fish such as trout, especially as inland waterbodies are more prone to warming than oceans. With an increase of temperature along with changes in spawning river flow, an abundance of trout species are effected negatively. In
6840-522: The native salmonids can't share genes with the non-native hatchery fish, thus, preventing further gene contamination of the native trout in New Mexico. Fire is also a factor in deteriorating Gila trout ( Oncorhynchus gilae ) populations because of the ash and soot that can enter streams following fires. The ash lowers water quality, making it more difficult for the Gila trout to survive. In some New Mexico streams,
6930-529: The origins and relationships of the different lineages. However, there is still much to be learned about this complex history. What is known is that repeated glacial and interglacial periods that would have caused repeated fracturing and isolation of cutthroat trout populations, eventually resulting in the different cutthroats found today. Throughout their native and introduced ranges, cutthroat trout vary widely in size, coloration and habitat selection. Their coloration can range from golden to gray to green on
7020-450: The panelists were unable to resolve was how to discuss specific subsets of the population. One side favored subspecies as a valuable taxonomic rank , because they represent important information about their evolutionary and ecological history that should be recognized to preserve biodiversity. The other side disagreed, arguing that subspecies do not necessarily align with actual evolutionary units, and are simply designations of lineages within
7110-415: The range of the bull trout ( Salvelinus confluentus ) the cutthroat trout is a forage fish for the piscivorous bull trout. Various subspecies of cutthroat trout are raised in commercial, state and federal hatcheries for introduction into suitable native and non-native riverine and lacustrine environments. In the early 20th century, several hatcheries were established in Yellowstone National Park by
7200-566: The reservation (72.68%) is in Mineral County ; with portions in Lyon County (14.37%) and Churchill County (12.95%). The reservation's land area is 529.970 square miles (1,372.616 km). In the 2000 census , it had a resident population of 853 persons, and 746 persons in 2010. Schurz is the only town on the reservation. Wovoka , creator of the Ghost Dance important in the 19th century,
7290-549: The reservation equal to the total votes cast by members of the tribe in the 2012 presidential election. Hawley is chairman of the Inter-Tribal Council of Nevada. Many of their members have similar difficulties with access to polling places. On behalf of the council, Hawley has "urged Secretary of State Barbara Cegavske to direct counties to open [homeland] polling places for nine more tribes, including some where ballot boxes are 200-plus miles away, round trip." He also urged
7380-496: The sake of recreational fishing , and some of these introduced populations have even become invasive in the new habitats. While trout can be caught with a normal rod and reel , fly fishing is a distinctive lure fishing method developed for trout, and now extended to other species. Due to the high proportion of insects and small crustaceans within the trout's diet, small lures made of hand-tied hairs and threads are often used to imitate these aquatic invertebrates that
7470-489: The salmon myhiss [sic] variety—a catch of 100, three or four hours before sundown, is not unfrequent. In 1902, anticipating the completion of the east entrance road from Cody, Wyoming, Captain Hiram M. Chittenden supervised the construction of the first "Fishing Bridge" across the outlet of Yellowstone Lake. Fishing Bridge was rebuilt in 1919, and reconstructed in 1937, primarily to accommodate vehicle traffic. Between 1916 and 1931,
7560-777: The site for and excavates the redd. Females, depending on size, lay between 200 and 4,400 eggs. Eggs are fertilized with milt (sperm) by an attending male. Eggs hatch into alevins or sac fry in about a month and spend two weeks in the gravel while they absorb their yolk sack before emerging. After emergence, fry begin feeding on zooplankton . Juvenile cutthroat trout typically mature in three to five years. Lake-resident cutthroat trout are usually found in moderately deep, cool lakes with adequate shallows and vegetation for good food production. Lake populations generally require access to gravel-bottomed streams to be self-sustaining, but occasionally spawn on shallow gravel beds with good water circulation. Cutthroat trout naturally interbreed with
7650-527: The species have anadromous populations as well. Juvenile trout are referred to as troutlet, troutling or parr. They are distributed naturally throughout North America , northern Asia and Europe . Several species of trout were introduced to Australia and New Zealand by amateur fishing enthusiasts in the 19th century, effectively displacing and endangering several upland native fish species. The introduced species included brown trout from England and rainbow trout from California . The rainbow trout has
7740-460: The steamboat company who have a supply, as well as competent and experienced oarsmen. Not more than two can successfully fish from one boat. When the grounds are reached, have the oarsman occupy the "stern," as from this position he can manipulate the landing net to a better advantage, the anchor is attached to the "bow." During the trout season (July to September), no better fishing can be found. They average about one and one-half pounds each and are of
7830-501: The surroundings, and will change as the fish moves to different habitats. Trout in, or newly returned from the sea, can look very silvery, while the same fish living in a small stream or in an alpine lake could have pronounced markings and more vivid coloration; it is also possible that in some species, this signifies that they are ready to mate. In general, trout that are about to breed have extremely intense coloration and can look like an entirely different fish outside of spawning season. It
7920-551: The trout prey upon. These ultralight fly lures cannot be cast adequately by conventional techniques, and a specialized heavy line (i.e. fly line) is needed to launch the lure. Understanding how moving water shapes the stream channel makes it easier to find trout. In most streams, the current creates a riffle-run-pool pattern that repeats itself over and over. A deep pool may hold a big brown trout, but rainbow trout and smaller brown trout are likely found in runs. Riffles are where fishers will find small trout, called troutlet, during
8010-524: The unique Lahontan cutthroat trout fishery in Pyramid Lake in Nevada, and the small stream fisheries of the westslope cutthroat trout to saltwater angling for sea-run cutthroat trout on the Pacific coast, cutthroat trout are a popular quarry for trout anglers throughout their ranges. The all-tackle world record is 41 lb (19 kg) caught in Pyramid Lake in December 1925. Their propensity to feed on aquatic and terrestrial insects make them an ideal quarry for
8100-528: The water, fish eggs, small fish, along with crayfish, shrimp and other crustaceans. As they grow the proportion of fish consumed increases in most populations. In saltwater estuaries and along beaches, Coastal cutthroat trout feed on small fish such as sculpins , sand lance , salmon fry and herring . They also consume shrimp , small squid and krill . In fresh water, they consume the same diet as stream resident trout—aquatic insects and crustaceans, amphibians, earthworms, small fish and fish eggs. Within
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