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 |
|---|---|---|---|
| 32.9 cm | 26 Jul 2002 | Ifold Q | 61420 |
| 25.9 cm | 26 Jul 2002 | Ifold Q | 61420 |
| 21 cm | 22 Jul 2019 | Loxwood | 154906 |
| 18.5 cm | 25 Jul 2005 | Loxwood | 86941 |
| 18.2 cm | 30 Jul 2013 | Loxwood | 137659 |
| 18 cm | 17 Jul 2008 | Loxwood | 112081 |
| 17.3 cm | 17 Jul 2008 | Loxwood | 112081 |
| 17.2 cm | 22 Aug 2007 | Loxwood | 107137 |
| 16.4 cm | 14 Sept 2010 | Loxwood | 124374 |
| 15.8 cm | 12 Aug 2009 | Loxwood | 120807 |
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 |
|---|---|---|---|
| Loxwood | 25 Jul 2005 | 22 Jul 2019 | 8 |
| Ifold Q | 26 Jul 2002 | 27 Jul 2006 | 2 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2002–2019
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
- 3.4 cm
- Lower quarter
- 6.7 cm
- Median
- 10.7 cm
- Upper quarter
- 13.8 cm
- Largest
- 32.9 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 47 perch. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.005 kg)
- Lower quarter
- 0.4 oz (0.01 kg)
- Median
- 0.8 oz (0.023 kg)
- Upper quarter
- 1.6 oz (0.0465 kg)
- Heaviest
- 1 lb 6.5 oz (0.637 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Loxwood Stream
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 →