RiverFish

Perch · Perca fluviatilis

Perch in the Datchet Common Brook

Largest measured perch: 15.6 cm

The largest perch measured in Environment Agency surveys of the Datchet Common Brook was 15.6 cm, recorded at Liquid Leisure Upstream on 29 January 2020.

Across 25 measured perch, the median measured length was 10.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Datchet Common Brook.

See perch records across England →

Most recent observation29 January 2020Swan Sanctuary · 3 fish
Largest measured perch
15.6 cm
Median length
10.2 cm
Fish measured
25
Survey locations
4

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
15.6 cm29 Jan 2020Liquid Leisure Upstream156107
15 cm29 Jan 2020Swan Sanctuary156108
15 cm29 Jan 2020Swan Sanctuary156108
14.2 cm29 Jan 2020Liquid Leisure Upstream156107
14.1 cm28 Jan 2020Upton Court Park156105
13.7 cm28 Jan 2020Upton Court Park156105
13.7 cm23 Sept 2015Downstream Horton Road146677
13.4 cm28 Jan 2020Upton Court Park156105
12.3 cm28 Jan 2020Upton Court Park156105
12.1 cm29 Jan 2020Liquid Leisure Upstream156107

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
Swan Sanctuary29 Jan 202029 Jan 20201
Liquid Leisure Upstream29 Jan 202029 Jan 20201
Upton Court Park28 Jan 202028 Jan 20201
Downstream Horton Road23 Sept 201523 Sept 20151

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

2015–2020

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
7.4 cm
Lower quarter
8.8 cm
Median
10.2 cm
Upper quarter
13.7 cm
Largest
15.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Datchet Common Brook

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

Bleak Chub Gudgeon 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 →