RiverFish

Perch · Perca fluviatilis

Perch in the Bourn Brook

Largest measured perch: 27.3 cm

The largest perch measured in Environment Agency surveys of the Bourn Brook was 27.3 cm, recorded at Westfield Farm on 3 November 1993.

Across 51 measured perch, the median measured length was 13.3 cm.

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

See perch records across England →

Most recent observation30 May 2013Cantelupe Farm Bourn Brook · 5 fish
Largest measured perch
27.3 cm
Median length
13.3 cm
Fish measured
51
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
27.3 cm3 Nov 1993Westfield Farm29327
20.3 cm3 Nov 1993Westfield Farm29327
17.8 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
17.8 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
16.3 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
16.3 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
16.3 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
15.8 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
15.3 cm22 Apr 1991Cantelupe Farm Bourn Brook29326
15.3 cm22 Apr 1991Cantelupe Farm Bourn Brook29326

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
Cantelupe Farm Bourn Brook22 Apr 199130 May 20134
Barton Bridge4 Nov 199313 Feb 19972
Westfield Farm3 Nov 19933 Nov 19931

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

1991–2013

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 51 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
11.8 cm
Median
13.3 cm
Upper quarter
14.6 cm
Largest
27.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bourn Brook

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

Pike Bullhead Roach Dace Minnow Chub

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 →