RiverFish

Perch · Perca fluviatilis

Perch in the Great Brook

Largest measured perch: 35 cm

The largest perch measured in Environment Agency surveys of the Great Brook was 35 cm, recorded at Isle of White Bridge on 4 August 2005.

Across 79 measured perch, the median measured length was 6.4 cm.

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

See perch records across England →

Most recent observation13 September 2023Shifford · 5 fish
Largest measured perch
35 cm
Median length
6.4 cm
Fish measured
79
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
35 cm4 Aug 2005Isle of White Bridge85318
29.4 cm4 Aug 2005Isle of White Bridge85318
28 cm4 Aug 2005Isle of White Bridge85318
26.5 cm6 Sept 2012Shifford135104
24.2 cm22 Aug 2017Shifford151298
23.5 cm4 Aug 2005Isle of White Bridge85318
23.3 cm6 Sept 2012Shifford135104
22.4 cm6 Sept 2012Isle of White Bridge135110
21 cm6 Sept 2012Shifford135104
19.9 cm6 Sept 2012Shifford135104

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
Shifford4 Aug 200513 Sept 20234
Isle of White Bridge4 Aug 200522 Aug 20173
Flight Pond22 Jun 200722 Jun 20071

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

2005–2023

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 79 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
4.2 cm
Median
6.4 cm
Upper quarter
14.5 cm
Largest
35 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Brook

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

Chub Gudgeon Roach Pike Dace

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 →