Thymallus arcticus
Thymallus arcticus
(Arctic Grayling)
Fishes
Native Transplant
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4 results for Thymallus arcticus (Arctic Grayling)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
28768 CAMaderaGrayling Lake, Yosemite National Park1930 18040008 Upper Mercedcollected
29735 CAMaderaGrayling Lake, Yosemite National Park1930 18040008 Upper Mercedfailed
29733 CAMaderaStar Lake, [2 Star Lakes connected]1930 18040008 Upper Mercedfailed
29734 CAMariposaMirror Lake, Yosemite National Park1930 18040008 Upper Mercedfailed

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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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/19/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.