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 |
|---|---|---|---|
| 74 cm | 3 Jun 2009 | DS Denver Residual Sluice (Eel Monitoring) | 117297 |
| 73.2 cm | 24 Jul 2012 | DS Denver Residual Sluice (Eel Monitoring) | 132443 |
| 70 cm | 3 Jun 2009 | DS Denver Residual Sluice (Eel Monitoring) | 117297 |
| 69 cm | 3 Jun 2009 | DS Denver Residual Sluice (Eel Monitoring) | 117297 |
| 68 cm | 18 Jun 2008 | DS Denver Residual Sluice (Eel Monitoring) | 111336 |
| 65 cm | 20 Jul 2010 | DS Denver Residual Sluice (Eel Monitoring) | 122966 |
| 64.8 cm | 24 Jul 2012 | DS Denver Residual Sluice (Eel Monitoring) | 132443 |
| 64 cm | 18 Jun 2008 | DS Denver Residual Sluice (Eel Monitoring) | 111336 |
| 63.5 cm | 10 Aug 2005 | Downham Market STW | 85395 |
| 63 cm | 18 Jun 2014 | DS Denver Residual Sluice (Eel Monitoring) | 141200 |
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 |
|---|---|---|---|
| Wiggenhall Bridge | 10 Oct 1991 | 9 Aug 2017 | 6 |
| DS Stow Bridge | 3 Oct 1991 | 10 Jul 2014 | 5 |
| DS Denver Residual Sluice (Eel Monitoring) | 18 Jun 2008 | 18 Jun 2014 | 5 |
| DS Denver Sluice | 9 Oct 2008 | 9 Oct 2008 | 1 |
| Stow Bridge | 2 Oct 1991 | 19 Aug 2008 | 4 |
| Gullpit Farm Stow Bridge | 19 Aug 2008 | 19 Aug 2008 | 1 |
| Tail Sluice | 15 Oct 1991 | 24 Aug 2005 | 5 |
| Magdalen Bridge | 16 Sept 1988 | 16 Aug 2005 | 4 |
| Holme Farm Magdalen | 4 Oct 1991 | 15 Aug 2005 | 5 |
| Downham Market STW | 7 Sept 1988 | 10 Aug 2005 | 5 |
| Downham Bridge | 6 Oct 1988 | 9 Aug 2005 | 4 |
| DS Downham Bridge | 6 Sept 1988 | 23 Aug 2000 | 4 |
| Polver Farm Magdalen | 9 Oct 1991 | 1 Oct 1996 | 3 |
| Denver Sluice | 5 Sept 1988 | 16 Sept 1996 | 3 |
| Saddlebow Bridge | 11 Oct 1991 | 16 Sept 1993 | 2 |
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 european eel that year.
Fish measured by surveyors
Measured length distribution
See how the 161 measured fish were spread across different length ranges.
- Smallest
- 18.4 cm
- Lower quarter
- 34 cm
- Median
- 42 cm
- Upper quarter
- 53.6 cm
- Largest
- 74 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 157 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
- 2.6 oz (0.075 kg)
- Median
- 5.3 oz (0.15 kg)
- Upper quarter
- 10.6 oz (0.3 kg)
- Heaviest
- 1 lb 15.7 oz (0.9 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
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 →