| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 1546826 | MI | Cheboygan | Cheboygan River, at mouth [Lake Huron] | 2019 | 04070004 | Cheboygan | unknown |
| 1633145 | MI | Cheboygan | Cheboygan River, at mouth [Lake Huron] | 2019 | 04070004 | Cheboygan | unknown |
| 1634980 | MI | Cheboygan | Cheboygan River | 2019 | 04070004 | Cheboygan | established |
| 1634981 | MI | Cheboygan | Cheboygan River | 2019 | 04070004 | Cheboygan | established |
| 1634996 | MI | Cheboygan | Cheboygan River | 2019 | 04070004 | Cheboygan | established |
| 1711739 | MI | Cheboygan | Chboygan (MI), Cheboygan River | 2021 | 04070004 | Cheboygan | |
| 1738881 | MI | Cheboygan | [No locality description provided] | 2019 | 04070004 | Cheboygan | |
| 1903822 | MI | Cheboygan | Lake Huron, at Cheboygan River, MI | 2019 | 04070004 | Cheboygan | |
| 1911485 | MI | Cheboygan | Lake Huron, at Cheboygan River, MI | 2021 | 04070004 | Cheboygan | |
| 1913501 | MI | Cheboygan | Lake Huron, at Cheboygan River, MI | 2022 | 04070004 | Cheboygan | |
| 1924095 | MI | Cheboygan | Lake Huron, at Cheboygan River, MI | 2025 | 04070004 | Cheboygan | |
| 1924097 | MI | Cheboygan | Lake Huron, at Cheboygan River, MI | 2025 | 04070004 | Cheboygan | |
Citation for this information:
U.S. Geological Survey, 2026,
Proterorhinus semilunaris: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/8/2026