| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 164594 | WI | Douglas | Amnicon River downstream of Hwy 13 [bridge] [several miles upstream from Lake Superior] | 2005 | 04010301 | Beartrap-Nemadji | established |
| 793407 | WI | Douglas | Lake Superior | 2008 | 04010301 | Beartrap-Nemadji | established |
| 793333 | WI | Douglas | Amnicon River | 2005 | 04010301 | Beartrap-Nemadji | established |
| 849230 | WI | Douglas | mouth of unnamed creek just E of Bear Creek mouth at Allouez Bay | 2013 | 04010301 | Beartrap-Nemadji | established |
| 849305 | WI | Douglas | mouth of unnamed creek just E of Bear Creek mouth at Allouez Bay | 2011 | 04010301 | Beartrap-Nemadji | established |
| 588182 | WI | Douglas | [No locality description provided by MARIS] | 2005 | 04010301 | Beartrap-Nemadji | established |
| 793330 | WI | Douglas | [No specific locality provided] | 2002 | 04010301 | Beartrap-Nemadji | established |
| 793332 | WI | Douglas | [No specific locality provided] | 2002 | 04010301 | Beartrap-Nemadji | established |
Citation for this information:
U.S. Geological Survey, 2025,
Neogobius melanostomus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/18/2025