Individual EA measurements
Largest measured perch
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 |
|---|---|---|---|
| 34.2 cm | 4 Nov 2003 | 8 Acre Plantation | 78313 |
| 31.2 cm | 10 Sept 2013 | 8 Acre Plantation | 138816 |
| 30.7 cm | 4 Nov 2003 | 8 Acre Plantation | 78313 |
| 30.2 cm | 10 May 2007 | Bengeo Hall | 105387 |
| 28.7 cm | 10 Sept 2013 | 8 Acre Plantation | 138816 |
| 28.3 cm | 10 Sept 2013 | Bengeo Hall | 138807 |
| 28.1 cm | 12 Sept 2007 | Bengeo Hall | 106737 |
| 27 cm | 12 Sept 2007 | Bengeo Hall | 106737 |
| 26.8 cm | 3 Jul 2008 | Westmill Trout Farm (Fishing Lakes) | 112014 |
| 26.4 cm | 10 Sept 2013 | Bengeo Hall | 138807 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where perch were found
Each point marks a survey location with at least one perch 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 perch |
|---|---|---|---|
| Bengeo Hall | 10 May 2007 | 28 Aug 2025 | 11 |
| Westmill Trout Farm (Fishing Lakes) | 3 Jul 2008 | 11 Jun 2024 | 4 |
| 8 Acre Plantation | 4 Nov 2003 | 10 Sept 2013 | 2 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2003–2025
Survey records by year
Each bar shows how many survey visits recorded perch that year.
Fish measured by surveyors
Measured length distribution
See how the 186 measured fish were spread across different length ranges.
- Smallest
- 5.6 cm
- Lower quarter
- 11.9 cm
- Median
- 14.4 cm
- Upper quarter
- 19.2 cm
- Largest
- 34.2 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Rib
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 →