| Specimen ID | 33795 |
| Group | Fishes |
| Genus | Neogobius |
| Species | melanostomus |
| Common Name | Round Goby |
| State | IL |
| County | Cook |
| Locality | Cal-Sag Channel (R.M. 318.6) at Blue Island between I-57 and Division St. bridges |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | Calumet Sag Channel-Little Calumet River |
| HUC10 Number | 0712000304 |
| HUC12 Name | Calumet Sag Channel |
| HUC12 Number | 071200030403 |
| Map | |
| Collection Day | 16 |
| Collection Month | 6 |
| Collection Year | 1998 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | Plenty of zebra mussels there for food. |
| Record Type | Personal communication |
| Disposal | Formalin or released |
| Museum Cat Number | USFWS, Ashland, WI |
| Verifier | Gary Czypinski, biologist, USFWS |
| Freshwater/Marine | Freshwater |
| Number Collected | 38 |
| Year Class | juv-adu |
| Size | 50 - 100 mm TL |
