Thymallus arcticus
Thymallus arcticus
(Arctic Grayling)
Native Transplant

12 results for Thymallus arcticus (Arctic Grayling)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
36711 MT Bitterroot River1910 17010204 Middle Clark Forkfailed
36666 MT Flathead Lake, (northern areas), Pend Orielle drainage1990 17010208 Flathead Lakecollected
36664 MT Missouri-Dearborn drainage, upper western edge1990 10030102 Upper Missouri-Dearborncollected
36783 MT South Fork Flathead River2000 17010209 South Fork Flatheadstocked
36660 MTCarbonClarks Fork Yellowstone drainage in Carbon County1990 10070006 Clarks Fork Yellowstonecollected
36710 MTDeer LodgeGeorgetown Lake in the headwaters of the Flint Creek1909 17010202 Flint-Rockestablished
1715098 MTDeer LodgeWarm Springs Creek, near Washoe Park Fish Hatchery in Anaconda, MT2023 17010201 Upper Clark Fork 
36668 MTFlatheadBelly drainage1990 17010206 North Fork Flatheadcollected
158047 MTFlatheadGlacier National Park1999 09040002 Bellyestablished
36662 MTGraniteRock Creek, Granite County1990 17010202 Flint-Rockcollected
36782 MTLakeFlathead Lake2000 17010208 Flathead Lakestocked
300101 MTParkWashtub Lake2003 10070006 Clarks Fork Yellowstonestocked

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/23/2024].

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