Oncorhynchus mykiss
Oncorhynchus mykiss
(Rainbow Trout)
Fishes
Native Transplant
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14 results for Oncorhynchus mykiss (Rainbow Trout)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
34899 MA Housatonic River drainage1992 01100005 Housatonicestablished
1671512 MABerkshire[No locality description provided]2017 01100005 Housatonic 
1678646 MABerkshire[No locality description provided]2019 01100005 Housatonic 
1674917 MABerkshire[No locality description provided]2020 01100005 Housatonic 
1675813 MABerkshire[No locality description provided]2020 01100005 Housatonic 
1890883 MABerkshire[No locality description provided]2025 01100005 Housatonic 
294598 MABerkshireGreen River near North Egremont1998 01100005 Housatonicestablished
294522 MABerkshireLake Ashmere near Hinsdale1998 01100005 Housatonicestablished
294635 MABerkshireLake Buel1998 01100005 Housatonicestablished
294654 MABerkshireLaurel Lake, Lee1998 01100005 Housatonicestablished
294724 MABerkshireRichmond Pond, Richmond1998 01100005 Housatonicestablished
294750 MABerkshireStockbridge Bowl [=Lake Mahkeenac]1998 01100005 Housatonicestablished
875741 MABerkshireWindsor Reservoir at sampling station F4GA1994 01100005 Housatonicstocked
875731 MABerkshireWindsor Reservoir at sampling station F5GB1994 01100005 Housatonicstocked

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 [2/2/2026].

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