Individual EA measurements
Largest measured roach
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 |
|---|---|---|---|
| 21.7 cm | 1 Jun 2022 | Park Farm | 161849 |
| 21.3 cm | 10 May 1994 | Upstream Itteringham Bridge | 16774 |
| 20.3 cm | 1 Jun 2022 | Park Farm | 161849 |
| 20.3 cm | 10 May 1994 | Upstream Itteringham Bridge | 16774 |
| 20.2 cm | 1 Jun 2022 | Park Farm | 161849 |
| 19.3 cm | 10 May 1994 | Upstream Itteringham Bridge | 16774 |
| 18.6 cm | 1 Jun 2022 | Park Farm | 161849 |
| 18.5 cm | 26 Apr 1988 | Upstream Itteringham Bridge | 16764 |
| 18.5 cm | 26 Apr 1988 | Upstream Itteringham Bridge | 16764 |
| 18.4 cm | 10 May 1994 | Upstream Itteringham Bridge | 16774 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where roach were found
Each point marks a survey location with at least one roach 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 roach |
|---|---|---|---|
| Itteringham Common | 24 Apr 1991 | 12 May 2025 | 8 |
| Saxthorpe Post Office Lane | 4 Sept 2024 | 4 Sept 2024 | 1 |
| Upstream Itteringham Bridge | 26 Apr 1988 | 17 Nov 2023 | 11 |
| Park Farm | 18 May 2016 | 1 Jun 2022 | 2 |
| Upstream Elmerdale Bridge | 28 Apr 1994 | 29 Apr 2003 | 3 |
| Downstream Ingworth Bridge | 26 Apr 1988 | 4 May 1994 | 2 |
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 roach that year.
Fish measured by surveyors
Measured length distribution
See how the 456 measured fish were spread across different length ranges.
- Smallest
- 3.3 cm
- Lower quarter
- 6.3 cm
- Median
- 8.3 cm
- Upper quarter
- 11.4 cm
- Largest
- 21.7 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 10 roach. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.1 oz (0.004 kg)
- Lower quarter
- 0.4 oz (0.01 kg)
- Median
- 0.5 oz (0.013 kg)
- Upper quarter
- 0.9 oz (0.0268 kg)
- Heaviest
- 1.6 oz (0.046 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 Bure (upper)
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 →