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 |
|---|---|---|---|
| 75.2 cm | 14 Jun 1991 | Downstream Clewer Pumping Station | 82049 |
| 74 cm | 14 Jun 1991 | Downstream Clewer Pumping Station | 82049 |
| 73 cm | 30 Aug 2002 | Riverside Farm (Te) | 73147 |
| 73 cm | 14 Jun 1991 | Downstream Clewer Pumping Station | 82049 |
| 69.5 cm | 18 Jun 1991 | Cocklake | 80984 |
| 68.3 cm | 14 Jun 1991 | Downstream Clewer Pumping Station | 82049 |
| 65 cm | 14 Jun 1991 | Downstream Clewer Pumping Station | 82049 |
| 62.6 cm | 30 Aug 2002 | Weare Bridge | 73144 |
| 62.5 cm | 17 Jul 1991 | Latcham | 80951 |
| 61 cm | 1 Jul 1991 | Knowle | 80711 |
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 |
|---|---|---|---|
| Ford | 23 Aug 2011 | 16 Oct 2025 | 2 |
| Riverside Farm (Te) | 30 Aug 2002 | 4 Jul 2013 | 9 |
| Clewer (Te) | 22 Oct 2004 | 4 Jul 2013 | 6 |
| Weare Bridge | 30 Aug 2002 | 30 Aug 2002 | 1 |
| Latcham | 17 Jul 1991 | 17 Jul 1991 | 1 |
| Knowle | 1 Jul 1991 | 1 Jul 1991 | 1 |
| Upstream Longwater | 28 Jun 1991 | 28 Jun 1991 | 1 |
| Downstream Highovers Weir | 28 Jun 1991 | 28 Jun 1991 | 1 |
| The Forks | 19 Jun 1991 | 19 Jun 1991 | 1 |
| Cocklake | 18 Jun 1991 | 18 Jun 1991 | 1 |
| Clewer - Oxmoor | 18 Jun 1991 | 18 Jun 1991 | 1 |
| Downstream Clewer Pumping Station | 14 Jun 1991 | 14 Jun 1991 | 1 |
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 574 measured fish were spread across different length ranges.
- Smallest
- 10 cm
- Lower quarter
- 29 cm
- Median
- 36.5 cm
- Upper quarter
- 43.9 cm
- Largest
- 75.2 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 465 european eel. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.006 kg)
- Lower quarter
- 1.6 oz (0.044 kg)
- Median
- 3.1 oz (0.088 kg)
- Upper quarter
- 5.3 oz (0.15 kg)
- Heaviest
- 2 lb 2.7 oz (0.985 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Main River Axe
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 →