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 |
|---|---|---|---|
| 28.8 cm | 14 Sept 1992 | Upstream Shotesham Park | 17403 |
| 28.3 cm | 11 Apr 2005 | Downstream Forncett Street | 84420 |
| 28.1 cm | 11 Apr 2005 | Downstream Forncett Street | 84420 |
| 28.1 cm | 14 Apr 1987 | Upstream Tharston Mill | 17410 |
| 27.7 cm | 27 Apr 2005 | CEGB Trowse | 84615 |
| 27.2 cm | 9 Apr 1987 | Upstream Shotesham Park | 17413 |
| 26.5 cm | 9 Apr 1987 | Upstream Shotesham Park | 17413 |
| 26.3 cm | 14 Sept 1992 | Upstream Shotesham Park | 17403 |
| 25.4 cm | 14 Apr 1987 | Upstream Tharston Mill | 17410 |
| 25.2 cm | 9 Sept 1992 | Markshall Bridge | 17405 |
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 |
|---|---|---|---|
| CEGB Trowse | 17 Sept 1992 | 27 Apr 2005 | 2 |
| Upstream Hempnall Beck | 22 Apr 2005 | 22 Apr 2005 | 1 |
| Downstream Stoke Mill | 11 Sept 1992 | 19 Apr 2005 | 3 |
| Downstream Forncett Street | 18 May 2000 | 11 Apr 2005 | 2 |
| Upstream Shotesham Park | 9 Apr 1987 | 23 May 2000 | 3 |
| Upstream Tharston Mill | 14 Apr 1987 | 9 May 2000 | 2 |
| Markshall Bridge | 9 Sept 1992 | 4 Apr 1996 | 2 |
| Upstream Tasburgh Hall | 24 Apr 1987 | 24 Apr 1987 | 1 |
| Rainthorpe Hall | 16 Apr 1987 | 16 Apr 1987 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1987–2005
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 85 measured fish were spread across different length ranges.
- Smallest
- 7.4 cm
- Lower quarter
- 14.1 cm
- Median
- 17.1 cm
- Upper quarter
- 23 cm
- Largest
- 28.8 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Tas
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 →