Potamopyrgus antipodarum
Potamopyrgus antipodarum
(New Zealand mudsnail)

78 results for Potamopyrgus antipodarum (New Zealand mudsnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
52633 WY Madison River in Yellowstone National Park1996 10020007 Madisonestablished
1187322 WYFremontBig Horn River (Wind River Upper Campground) at wind river upper campground at historic boat launch.2012 10080005 Lower Windestablished
645258 WYFremontLake Cameahwait2014 10080005 Lower Windunknown
1187323 WYFremontLake Cameahwait (SE boat ramp)2015 10080005 Lower Windestablished
1187321 WYHot SpringsBig Horn River (Four mile bridge) at northwest corner, 20' from bridge, 5' from shore2012 10080007 Upper Bighornestablished
1187320 WYHot SpringsBig Horn River (Wedding of the Waters) at at the boat ramp and 10' north of the boat ramp2012 10080007 Upper Bighornestablished
1187310 WYHot SpringsBig Horn River (Wind River - Gift Shop and Motel) at wind river reservation gift shop and motel; round tabe access where dirt road is closest to the river.2012 10080005 Lower Windestablished
1187313 WYHot SpringsBighorn River (Upstream fourmile bridge) at Bighorn River near fourmile bridge, 1 mile downstream of hwy 20 bridge, downstream of Wind River Canyon2003 10080007 Upper Bighornestablished
157465 WYHot SpringsBighorn River near Fourmile Bridge, 1 mile downstream of Hwy 20 bridge, downstream of Wind River Canyon2003 10080007 Upper Bighornestablished
1522540 WYLincolnSalt River [just upstream of Palisades Reservoir2018 17040105 Saltestablished
1522517 WYNatronaNorth Platte River (below Alcova Dam)2018 10180007 Middle North Platte-Casperunknown
1522515 WYNatronaNorth Platte River (Gray Reef boat ramp) [near Alcova and Gray Reef reservoirs]2018 10180007 Middle North Platte-Casperunknown
1522516 WYNatronaNorth Platte River (Gray Reef river bank below dam)2018 10180007 Middle North Platte-Casperunknown
1522518 WYNatronaNorth Platte River, below Pathfinder Dam at Cardwell Access2018 10180007 Middle North Platte-Casperunknown
52733 WYParkGardner River [See Mammoth Hot Springs near MT/WY border]2000 10070001 Yellowstone Headwatersestablished
157437 WYParkGardner River, Boiling River Branch2001 10070001 Yellowstone Headwatersestablished
276392 WYParkGibbon River, lower2000 10020007 Madisonestablished
1187291 WYParkShoshone River (Shoshone River in cody) at Shoshone River in Cody2007 10080014 Shoshoneestablished
242922 WYParkShoshone River in Cody2007 10080014 Shoshoneestablished
276406 WYSweetwaterGreen River, just upstream from Green River2004 14040103 Upper Green-Slateextirpated
157434 WYTetonFirehole River1997 10020007 Madisonestablished
275482 WYTetonFirehole River1997 10020007 Madisonestablished
275485 WYTetonFirehole River1997 10020007 Madisonestablished
275486 WYTetonFirehole River1997 10020007 Madisonestablished
275489 WYTetonFirehole River1997 10020007 Madisonestablished

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/29/2024].

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