Individual EA measurements
Largest measured gudgeon
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 |
|---|---|---|---|
| 15.5 cm | 3 Sept 2008 | Bray - Boveney, Upper Main Channel | 114287 |
| 13.5 cm | 8 Sept 2015 | Bray - Boveney, Upper Main Channel | 146395 |
| 13.5 cm | 1 Sept 2000 | Bray Weir Pool | 121574 |
| 13.4 cm | 8 Sept 2004 | Bray - Boveney, Upper Main Channel | 82336 |
| 13.3 cm | 6 Sept 2006 | Bray - Boveney, Upper Main Channel | 101386 |
| 13.2 cm | 3 Sept 2013 | Bray - Boveney, Upper Main Channel | 138878 |
| 13.1 cm | 3 Sept 2013 | Bray - Boveney, Upper Main Channel | 138878 |
| 13.1 cm | 8 Sept 2009 | Bray - Boveney, Upper Main Channel | 118997 |
| 13 cm | 8 Sept 2015 | Bray - Boveney, Upper Main Channel | 146395 |
| 13 cm | 3 Sept 2013 | Bray - Boveney, Upper Main Channel | 138878 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where gudgeon were found
Each point marks a survey location with at least one gudgeon 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 gudgeon |
|---|---|---|---|
| Bray - Boveney, Upper Main Channel | 1 Sept 2000 | 19 Jul 2024 | 19 |
| Bray Weir Pool | 1 Sept 1995 | 4 Sept 2018 | 15 |
| Downstream Queens Eyot | 3 Sept 2008 | 3 Sept 2008 | 1 |
| Bray- Boveney, Lower Main Channel | 5 Sept 2005 | 5 Sept 2005 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1995–2024
Survey records by year
Each bar shows how many survey visits recorded gudgeon that year.
Fish measured by surveyors
Measured length distribution
See how the 474 measured fish were spread across different length ranges.
- Smallest
- 4.6 cm
- Lower quarter
- 10 cm
- Median
- 10.7 cm
- Upper quarter
- 11.4 cm
- Largest
- 15.5 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Bray - Boveney
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 →