| Specimen ID | 159951 |
| Group | Fishes |
| Genus | Morone |
| Species | americana × mississippiensis |
| Common Name | White Perch × Yellow Bass |
| State | IL |
| Locality | Illinois River, La Grange Reach [extends from La Grange Lock & Dam located south of Beardstown, IL upstream to Peoria Lock & Dam near Peoria, IL.] |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lower Illinois-Lake Chautauqua |
| HUC8 Number | 07130003 |
| Map | |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | canal |
| Status | established |
| Reference 1 |
| Ref. Number: | 13977 |
| Author: | Irons, K.S., T.M. O'Hara, M.A. McClelland, and M.A. Pegg |
| Date: | 2002 |
| Title: | White perch occurrence, spread, and hybridization in the middle Illinois River, upper Mississippi River system. |
| Journal: | Transactions of the Illinois State Academy of Science |
| Volume: | 95 |
| Issue: | 3 |
| Pages: | 207-214 |
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| Comments | first documentation of this hybrid; M. americana invaded via canals into native M. mississippiensis range; 32 found in 2001. |
| Record Type | Literature |
| Earliest Record | nation |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Specimen Impact | M. mississippiensis is already in decline; may be at risk from competition w/ M. americana |
