Individual EA measurements
Largest measured roach
The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.
| Length | Survey date | Survey location | Survey ID |
|---|---|---|---|
| 23 cm | 12 Sept 1985 | Quarry Bank | 160629 |
| 20.8 cm | 13 Jul 1982 | Bayles Mill (Bulwell) | 160620 |
| 20 cm | 12 Sept 1985 | Quarry Bank | 160629 |
| 18.9 cm | 7 Jun 1995 | Q.M.C. | 24785 |
| 18.5 cm | 7 Jun 1995 | Q.M.C. | 24785 |
| 18.4 cm | 9 Feb 2000 | Papplewick | 23487 |
| 17.9 cm | 7 Jun 1995 | Q.M.C. | 24785 |
| 17.6 cm | 31 May 2005 | Q.M.C. | 84807 |
| 17.4 cm | 31 May 2005 | Q.M.C. | 84807 |
| 16.8 cm | 7 Jun 1995 | Q.M.C. | 24785 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where roach were found
Each point marks a survey location with at least one roach record.
Choose a point on the map to see what was recorded there.
Map points are approximate and don’t show fishing access. Check local permissions before visiting.
| Place surveyed | First recorded | Last recorded | Visits finding roach |
|---|---|---|---|
| Q.M.C. | 7 Jun 1995 | 29 Jul 2022 | 4 |
| Papplewick | 9 Feb 2000 | 29 Jul 2022 | 3 |
| Quarry Bank | 12 Sept 1985 | 12 Sept 1985 | 1 |
| Bayles Mill (Bulwell) | 13 Jul 1982 | 13 Jul 1982 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1982–2022
Survey records by year
Each bar shows how many survey visits recorded roach that year.
Fish measured by surveyors
Measured length distribution
See how the 74 measured fish were spread across different length ranges.
- Smallest
- 3 cm
- Lower quarter
- 7.4 cm
- Median
- 10.5 cm
- Upper quarter
- 12.5 cm
- Largest
- 23 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Leen
Compare other species with enough survey and measurement data for a detailed page.
Before you fish
Good to know
These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.
Learn how RiverFish uses the data →