RiverFish

Perch · Perca fluviatilis

Perch in the River Benson - Cleeve (Margin)

Largest measured perch: 34.8 cm

The largest perch measured in Environment Agency surveys of the River Benson - Cleeve (Margin) was 34.8 cm, recorded at Wallingford Bridge to By-Pass on 26 July 2012.

Across 28 measured perch, the median measured length was 16.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Benson - Cleeve (Margin).

See perch records across England →

Most recent observation7 July 2013Benson - Cleeve (Margins as whole length) · 5 fish
Largest measured perch
34.8 cm
Median length
16.6 cm
Fish measured
28
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
34.8 cm26 Jul 2012Wallingford Bridge to By-Pass135152
25.1 cm26 Jul 2012Weirstream to Wallingford Bridge135149
22.4 cm26 Jul 2012Wallingford By-Pass to Cleeve Lock135153
21.7 cm7 Jul 2013Benson - Cleeve (Margins as whole length)137471
21.6 cm26 Jul 2012Wallingford By-Pass to Cleeve Lock135153
21.5 cm26 Jul 2012Wallingford By-Pass to Cleeve Lock135153
21.3 cm26 Jul 2012Wallingford Bridge to By-Pass135152
20.9 cm26 Jul 2012Wallingford By-Pass to Cleeve Lock135153
19.5 cm26 Jul 2012Weirstream to Wallingford Bridge135149
18.2 cm7 Jul 2013Benson - Cleeve (Margins as whole length)137471

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
Benson - Cleeve (Margins as whole length)7 Jul 20137 Jul 20131
Weirstream to Wallingford Bridge26 Jul 201226 Jul 20121
Wallingford By-Pass to Cleeve Lock26 Jul 201226 Jul 20121
Wallingford Bridge to By-Pass26 Jul 201226 Jul 20121

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

2012–2013

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 28 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
13 cm
Median
16.6 cm
Upper quarter
21 cm
Largest
34.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Benson - Cleeve (Margin)

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

Bleak Chub Dace Pike Roach Common bream

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 →