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 |
|---|---|---|---|
| 20.8 cm | 8 Feb 2019 | Beccles Boat Yards | 154637 |
| 20.1 cm | 25 Feb 2016 | Beccles Boat Yards | 147871 |
| 19.2 cm | 5 Mar 2010 | Beccles Boat Yards | 121263 |
| 18.6 cm | 24 Oct 1996 | Downstream A146 Bridge | 17096 |
| 17.8 cm | 13 Jan 2014 | Beccles Boat Yards | 140501 |
| 17.5 cm | 3 Feb 2023 | Beccles Boat Yards | 162281 |
| 17.3 cm | 27 Jan 2012 | Beccles Boat Yards | 130051 |
| 17.1 cm | 8 Jan 2018 | Beccles Boat Yards | 152474 |
| 16.9 cm | 6 Feb 2017 | Beccles Boat Yards | 150296 |
| 16.8 cm | 13 Oct 1987 | Oulton Dyke | 17080 |
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 |
|---|---|---|---|
| Beccles Boat Yards | 15 Feb 2008 | 4 Feb 2026 | 16 |
| Truckers Knoll | 5 Oct 1999 | 5 Oct 1999 | 1 |
| Downstream Worlingham Road End | 5 Oct 1999 | 5 Oct 1999 | 1 |
| Aldeby Swing Bridge | 4 Nov 1994 | 5 Oct 1999 | 2 |
| Downstream Pink House | 1 Oct 1999 | 1 Oct 1999 | 1 |
| Downstream A146 Bridge | 15 Oct 1987 | 1 Oct 1999 | 3 |
| Oulton Dyke | 13 Oct 1987 | 30 Sept 1999 | 2 |
| North Cove | 15 Nov 1994 | 15 Nov 1994 | 1 |
| Carlton Coalville | 15 Nov 1994 | 15 Nov 1994 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1987–2026
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 135 measured fish were spread across different length ranges.
- Smallest
- 5.4 cm
- Lower quarter
- 7.9 cm
- Median
- 10.7 cm
- Upper quarter
- 12.8 cm
- Largest
- 20.8 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Tidal Waveney
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 →