| Specimen ID | 850830 |
| Group | Fishes |
| Genus | Perca |
| Species | flavescens |
| Common Name | Yellow Perch |
| State | MT |
| County | Powell |
| Locality | Upsata Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Blackfoot |
| HUC8 Number | 17010203 |
| HUC10 Name | Monture Creek |
| HUC10 Number | 1701020308 |
| HUC12 Name | Lower Monture Creek |
| HUC12 Number | 170102030804 |
| Map | |
| Collection Year | 1985 |
| Year Accuracy | Estimated |
| Potential Pathway | stocked illegally |
| Status | established |
| Reference 1 |
| Ref. Number: | 27494 |
| Author: | Vashro, J. |
| Date: | 1990 |
| Title: | Illegal aliens |
| Journal: | Montana Outdoors |
| Volume: | 1990 |
| Issue: | July/August |
| Pages: | 35-37 |
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| Comments | lake was rehabbed in the mid 1950s for stunted perch; perch reappeared in the mid 1980s; |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Specimen Impact | The perch initially grew to 12 or 14 inches and were very popular, but soon stunted out at about five inches. The lake was closed to fishing during 1987 while 1 -year-old fish-eating rainbows were being introduced. That plant was followed by a largemouth bass transplant. However, the $16,000 worth of recovery efforts may be stymied, since unauthorized northern pike showed up in 1988. |
