| Specimen ID | 115746 |
| Group | Reptiles-Snakes |
| Genus | Agkistrodon |
| Species | piscivorus |
| Common Name | Cottonmouth |
| State | CO |
| County | Adams |
| Locality | Marshall Reservoir, 6 mi SE of Boulder |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle South Platte-Cherry Creek |
| HUC8 Number | 10190003 |
| HUC10 Name | Big Dry Creek-South Platte River |
| HUC10 Number | 1019000304 |
| HUC12 Name | Todd Creek-South Platte River |
| HUC12 Number | 101900030405 |
| Map | |
| Collection Year | 1965 |
| Year Accuracy | Actual |
| Potential Pathway | released pet |
| Status | collected |
| Reference 1 |
| Ref. Number: | 12179 |
| Author: | Livo, L.J., G.A. Hammerson, and H.M. Smith |
| Date: | 1998 |
| Title: | Summary of Amphibians and Reptiles Introduced into Colorado. |
| Journal: | Northwestern Naturalist |
| Volume: | 79 |
| Issue: | 1 |
| Pages: | 1-11 |
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| Comments | introduced by a farmer to scare away fishermen |
| Record Type | Specimen |
| Disposal | University of Colorado |
| Museum Cat Number | UCM 13880 |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
