| Common name | Mřenka tmavá |
| Language | Czech |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Czech Republic |
| Locality | |
| Ref. | Hanel, L. and J. Novák, 2002 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Applies to Nemacheilus obscurus. |