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 |
|---|---|---|---|
| 11.3 cm | 9 Oct 1991 | Polver Farm Magdalen | 30260 |
| 11.3 cm | 3 Oct 1988 | Wiggenhall Bridge | 30250 |
| 10.8 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 10.3 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 10.3 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 10.3 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 10.3 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 9.8 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 9.8 cm | 11 Oct 1991 | Saddlebow Bridge | 30262 |
| 9.6 cm | 16 Sept 2011 | DS Stow Bridge | 127955 |
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 |
|---|---|---|---|
| DS Stow Bridge | 8 Sept 1988 | 8 Aug 2017 | 3 |
| Wiggenhall Bridge | 3 Oct 1988 | 21 Aug 2008 | 3 |
| Hastings Farm Wiggenhall | 21 Aug 2008 | 21 Aug 2008 | 1 |
| Stow Bridge | 30 Aug 2005 | 30 Aug 2005 | 1 |
| Tail Sluice | 24 Aug 2005 | 24 Aug 2005 | 1 |
| Saddlebow Bridge | 11 Oct 1991 | 10 Oct 1996 | 2 |
| Downham Market STW | 6 Sept 1993 | 6 Sept 1993 | 1 |
| Polver Farm Magdalen | 9 Oct 1991 | 9 Oct 1991 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1988–2017
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 23 measured fish were spread across different length ranges.
- Smallest
- 6.3 cm
- Lower quarter
- 8.4 cm
- Median
- 9.5 cm
- Upper quarter
- 10.3 cm
- Largest
- 11.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the Relief Channel
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 →