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 |
|---|---|---|---|
| 69.3 cm | 17 Jul 2018 | Upstream Hill Farm Bridge | 154129 |
| 63 cm | 18 May 2009 | Upstream Hill Farm Bridge | 117267 |
| 63 cm | 18 Jul 2002 | Costessey Gravel Works | 52186 |
| 61 cm | 30 May 2002 | Rogers Farm | 51923 |
| 61 cm | 30 May 2002 | Rogers Farm | 51923 |
| 60 cm | 18 Jul 2002 | Costessey Gravel Works | 52186 |
| 60 cm | 23 May 2002 | Berry Hall | 51961 |
| 59 cm | 29 May 2002 | Upstream Hill Farm Bridge | 51959 |
| 58 cm | 18 May 2009 | Upstream Hill Farm Bridge | 117267 |
| 58 cm | 30 May 2002 | Rogers Farm | 51923 |
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 |
|---|---|---|---|
| Costessey Gravel Works | 26 Jul 1988 | 6 May 2025 | 12 |
| Upstream Hill Farm Bridge | 28 Jul 1988 | 22 Apr 2024 | 10 |
| D\S Honingham Church | 1 Aug 1988 | 18 Apr 2024 | 10 |
| Rogers Farm | 19 Jul 1988 | 16 Apr 2024 | 10 |
| Rotten Row | 3 Aug 1988 | 10 Apr 2024 | 9 |
| Berry Hall | 2 Aug 1988 | 10 Aug 2023 | 11 |
| Downstream A47 Honingham | 15 Aug 1988 | 4 Jul 2018 | 9 |
| Downstream Costessey water works | 12 Jun 2013 | 12 Jun 2013 | 1 |
| Upstream Whitford Bridge | 4 Aug 1988 | 21 May 2002 | 5 |
| Mattishall Burgh | 5 Aug 1988 | 20 May 2002 | 5 |
| Costessey Park | 20 Jul 1988 | 19 Jul 2000 | 4 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1988–2025
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 222 measured fish were spread across different length ranges.
- Smallest
- 11.5 cm
- Lower quarter
- 25.9 cm
- Median
- 39 cm
- Upper quarter
- 48 cm
- Largest
- 69.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 136 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
- 1.9 oz (0.0542 kg)
- Median
- 2.7 oz (0.077 kg)
- Upper quarter
- 5.7 oz (0.1608 kg)
- Heaviest
- 1 lb 5.9 oz (0.62 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 Tud
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 →