Individual EA measurements
Largest measured european eel
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 |
|---|---|---|---|
| 62.3 cm | 3 Sept 2024 | Upstream Kates Bridge | 167151 |
| 62 cm | 5 May 2010 | Downstream Kates Bridge | 122306 |
| 61 cm | 13 Aug 2009 | Wilsthorpe | 118663 |
| 60 cm | 3 Jun 2009 | Downstream Fletland Mill | 120711 |
| 60 cm | 3 Jun 2009 | Downstream Fletland Mill | 120711 |
| 59.6 cm | 3 Sept 2024 | Upstream Kates Bridge | 167151 |
| 59.2 cm | 5 May 2010 | Upstream Kates Bridge | 122307 |
| 59 cm | 16 Oct 2007 | Downstream Kates Bridge | 108184 |
| 58.7 cm | 26 Jun 2025 | Upstream Kates Bridge | 177171 |
| 58.5 cm | 23 Mar 2016 | Downstream Fletland Mill | 147906 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where european eel were found
Each point marks a survey location with at least one european eel 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 european eel |
|---|---|---|---|
| Upstream Kates Bridge | 5 May 2010 | 26 Jun 2025 | 3 |
| Downstream Kates Bridge | 7 May 1991 | 20 Jul 2023 | 9 |
| Wilsthorpe | 1 May 1991 | 18 Apr 2017 | 7 |
| Downstream Fletland Mill | 3 Jun 2009 | 23 Mar 2016 | 2 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1991–2025
Survey records by year
Each bar shows how many survey visits recorded european eel that year.
Fish measured by surveyors
Measured length distribution
See how the 377 measured fish were spread across different length ranges.
- Smallest
- 12 cm
- Lower quarter
- 25.5 cm
- Median
- 32.5 cm
- Upper quarter
- 41 cm
- Largest
- 62.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 95 european eel. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.005 kg)
- Lower quarter
- 1.4 oz (0.04 kg)
- Median
- 2.8 oz (0.08 kg)
- Upper quarter
- 6.3 oz (0.18 kg)
- Heaviest
- 15.5 oz (0.44 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the River Glen Downstream Confluence
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 →