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 |
|---|---|---|---|
| 30.2 cm | 14 Aug 2008 | Huntspill at Sloway | 113556 |
| 29.7 cm | 10 Aug 2006 | Huntspill at Sloway | 100926 |
| 29.3 cm | 13 Jul 2011 | Eastville Park | 127121 |
| 28.8 cm | 13 Jul 2011 | Eastville Park | 127121 |
| 28 cm | 13 Jul 2011 | Eastville Park | 127121 |
| 26.4 cm | 3 Jul 2013 | Eastville Park | 139725 |
| 26.2 cm | 3 Jul 2013 | Eastville Park | 139725 |
| 25.5 cm | 15 Sept 2009 | Eastville Park | 118940 |
| 25.3 cm | 3 Jul 2013 | Eastville Park | 139725 |
| 25.1 cm | 3 Jul 2013 | Eastville Park | 139725 |
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 |
|---|---|---|---|
| Bathpool | 27 Jul 2011 | 29 Aug 2013 | 2 |
| Huntspill at Sloway | 8 Aug 2006 | 22 Aug 2013 | 131 |
| Eastville Park | 9 Aug 2007 | 3 Jul 2013 | 5 |
| Bow Bridge | 3 Aug 2007 | 19 Sept 2012 | 3 |
| Oath Lock Downstream | 12 Aug 2009 | 12 Aug 2009 | 1 |
| Sloway extra | 4 Aug 2009 | 4 Aug 2009 | 1 |
| Riverside Farm | 19 Jul 2007 | 19 Jul 2007 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2006–2013
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 1,279 measured fish were spread across different length ranges.
- Smallest
- 3.5 cm
- Lower quarter
- 8 cm
- Median
- 9.4 cm
- Upper quarter
- 12 cm
- Largest
- 30.2 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 128 perch. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.1 oz (0.002 kg)
- Lower quarter
- 0.1 oz (0.004 kg)
- Median
- 0.6 oz (0.0175 kg)
- Upper quarter
- 0.8 oz (0.024 kg)
- Heaviest
- 15.2 oz (0.432 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Eel Survey
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 →