RiverFish

Perch · Perca fluviatilis

Perch in the West Drayton Mill side channel investigation

Largest measured perch: 16.4 cm

The largest perch measured in Environment Agency surveys of the West Drayton Mill side channel investigation was 16.4 cm, recorded at Downstream weirpool WDMSC on 3 July 2012.

Across 25 measured perch, the median measured length was 13.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the West Drayton Mill side channel investigation.

See perch records across England →

Most recent observation3 July 2012Top channel WDMSC · 11 fish
Largest measured perch
16.4 cm
Median length
13.4 cm
Fish measured
25
Survey locations
3

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
16.4 cm3 Jul 2012Downstream weirpool WDMSC152346
16.3 cm3 Jul 2012Top channel WDMSC152348
15.6 cm3 Jul 2012Top channel WDMSC152348
15.5 cm3 Jul 2012Downstream weirpool WDMSC152346
14.8 cm3 Jul 2012Top channel WDMSC152348
14.5 cm3 Jul 2012Downstream weirpool WDMSC152346
14.2 cm3 Jul 2012Top channel WDMSC152348
14.1 cm3 Jul 2012Downstream weirpool WDMSC152346
13.7 cm3 Jul 2012Weirpool WDMSC152347
13.6 cm3 Jul 2012Weirpool WDMSC152347

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 surveyedFirst recordedLast recordedVisits finding perch
Weirpool WDMSC3 Jul 20123 Jul 20121
Top channel WDMSC3 Jul 20123 Jul 20121
Downstream weirpool WDMSC3 Jul 20123 Jul 20121

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2012–2012

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 25 measured fish were spread across different length ranges.

Smallest
11.5 cm
Lower quarter
12.8 cm
Median
13.4 cm
Upper quarter
14.2 cm
Largest
16.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the West Drayton Mill side channel investigation

Compare other species with enough survey and measurement data for a detailed page.

Chub Dace Pike Roach

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 →