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 |
|---|---|---|---|
| 38.8 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 37.3 cm | 25 May 2000 | Plantation Farm | 29847 |
| 36.8 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 35.8 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 34.8 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 33.8 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 33.3 cm | 23 May 2000 | Brandon Staunch | 29842 |
| 33.3 cm | 19 Jun 1990 | Brandon Staunch | 29861 |
| 32.8 cm | 17 May 1993 | Little Ouse Village | 29875 |
| 32.3 cm | 23 May 2000 | Brandon Staunch | 29842 |
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 |
|---|---|---|---|
| Little Ouse Village | 10 May 1989 | 30 Jul 2024 | 6 |
| Hockwold Common | 15 May 1989 | 24 Jul 2024 | 7 |
| Brandon Staunch | 19 Jun 1990 | 23 Jul 2024 | 6 |
| Plantation Farm | 27 Jun 1990 | 23 May 2012 | 5 |
| Brandon Creek | 17 May 1989 | 14 Jun 2000 | 4 |
| Blackdyke Farm Little Ouse | 16 May 1989 | 12 Jun 2000 | 4 |
| Brandon Fen | 17 May 1989 | 9 Jun 2000 | 4 |
| Wilton Bridge | 22 Jun 1990 | 7 Jun 2000 | 3 |
| Cowles Drove | 17 May 1989 | 17 May 1989 | 1 |
| Orchard House | 12 May 1989 | 12 May 1989 | 1 |
| Bank Farm | 9 May 1989 | 9 May 1989 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1989–2024
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 1,204 measured fish were spread across different length ranges.
- Smallest
- 5.8 cm
- Lower quarter
- 7.8 cm
- Median
- 8.3 cm
- Upper quarter
- 10.3 cm
- Largest
- 38.8 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River DS Lt Ouse
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 →