cutthroat trout


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Related to cutthroat trout: brook trout

cutthroat trout

n.
A large trout (Oncorhynchus clarkii) of western North America, having red or orange markings on the lower jaw.

cut′throat trout`


n.
a spotted trout, Salmo clarkii, of coastal streams of western North America, having a reddish streak on each side of the throat.
[1890–95, Amer.]
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Four small paintings, "Cutthroat Trout," "Rainbow Trout," "Brown Trout" and "Brook Trout," form a charming "school" of abstracted finned creatures.
An invasive species of fish, the trout has apparently affected the diet and behavior of animals such as cutthroat trout, zooplankton, ospreys, bald eagles, river otters, bears and even elks.
Coastal Cutthroat Trout (Oncorhynchus clarkii clarkii) are often the only fish species present in 1st- and 2nd-order headwater streams in the Pacific Northwest, and while trout in these systems are well adapted to a Mediterranean climate with natural low-flow in summer, the frequency and severity of future droughts may create stream conditions that impact the population dynamics and behavior of this species.
New advanced DNA sequence-based methods of divergence and diversity within and among evolutionary lineages has cast doubt on the validity of the 14-subspecies classification of cutthroat trout, which has sometimes helped and sometimes hindered conservation and restoration efforts of the endangered western North American fish.
In 1911, James Manges laid claim to 160 acres inside what eventually would become this park, and when he left his small cabin to fish cutthroat trout in the Snake River, he'd tack a handwritten note to the door: "Gone fishing," he scribbled.
The ladders provide access to more than 100 miles of upstream habitat for coho salmon, steelhead and cutthroat trout, according to the BLM.
Geographical Survey and wrongly identified as a Colorado River cutthroat trout (Oncorhynchus clarkii pleuriticus).
However, some reports said that the incident also affected rainbow trout and Yellowstone cutthroat trout - species crucial to the fishing industry.
The site, located two miles northeast of Columbia Falls, covers approximately 960 acres north of the Flathead River, a fishery that includes the federally designated threatened bull trout and the federally sensitive westslope cutthroat trout. EPA's initial evaluation indicates that ground water and surface water at the site contain various contaminants of concern, including cyanide, fluoride, and various metals.
Section three describes two real world examples of potential hybrid species causing problems for the FWS--red wolves and westslope cutthroat trout (WCT)--which act to reinforce the arguments made in section two.
These emigrants may be displaying simple dispersive movements, rather than migratory movements; however, they are also consistent with movements seen in coastal cutthroat trout (Trotter, 1989; Saiget et al., 2007) where trout move out of their natal river and may move into several other streams prior to returning to their natal river for spawning.