Individual EA measurements
Largest measured bleak
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 |
|---|---|---|---|
| 16.4 cm | 12 Jul 1990 | Hubberts Bridge R/B Upstream | 57721 |
| 16.4 cm | 15 Jul 1987 | Hubberts Bridge R/B Upstream | 57700 |
| 16.1 cm | 6 Aug 2007 | Donington Bridge | 106225 |
| 15.6 cm | 14 Jul 1987 | Swineshead Bridge Downstream | 57698 |
| 15.5 cm | 6 Aug 2007 | Donington Bridge | 106225 |
| 15.5 cm | 24 Jul 1987 | Wyberton Bridge Upstream | 57701 |
| 15.4 cm | 3 Jul 1990 | Bicker Fen | 57717 |
| 15.3 cm | 15 Jul 1987 | Hubberts Bridge R/B Upstream | 57700 |
| 15.3 cm | 13 Jul 1987 | Upstream Rod Rest | 57699 |
| 15.2 cm | 6 Aug 2007 | Donington Bridge | 106225 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where bleak were found
Each point marks a survey location with at least one bleak 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 bleak |
|---|---|---|---|
| Donington Bridge | 2 Jul 1990 | 6 Aug 2007 | 2 |
| Wyberton Bridge Upstream | 24 Jul 1987 | 23 Aug 2006 | 2 |
| Bicker Fen | 30 Jun 1987 | 21 Aug 2006 | 5 |
| Neslam Bridge | 13 Sept 2005 | 13 Sept 2005 | 1 |
| Hubberts Bridge R/B Upstream | 15 Jul 1987 | 28 Jul 1999 | 4 |
| Upstream Rod Rest | 13 Jul 1987 | 26 Jul 1999 | 4 |
| Swineshead Bridge Downstream | 14 Jul 1987 | 22 Jul 1999 | 2 |
| Swineshead Bridge | 1 Jul 1987 | 21 Jul 1999 | 2 |
| Dowsby Road | 16 Jun 1987 | 14 Jun 1990 | 2 |
| College Farm | 14 Jun 1990 | 14 Jun 1990 | 1 |
| Downstream AWA Wyberton Labortory | 22 Jul 1987 | 22 Jul 1987 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1987–2007
Survey records by year
Each bar shows how many survey visits recorded bleak that year.
Fish measured by surveyors
Measured length distribution
See how the 374 measured fish were spread across different length ranges.
- Smallest
- 4.8 cm
- Lower quarter
- 6.6 cm
- Median
- 10 cm
- Upper quarter
- 12.2 cm
- Largest
- 16.4 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the South Forty Foot Drain
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 →