Perch · Perca fluviatilis

Perch in the River Churn

Largest measured perch: 32.4 cm

The largest perch measured in Environment Agency surveys of the River Churn was 32.4 cm, recorded at River Churn - Cerney Wick on 20 October 2003.

Across 437 measured perch, the median measured length was 11.6 cm.

Surveyors recorded weights for 76 perch. The median was 1 oz (0.0275 kg) and the largest recorded weight was 1 lb 7 oz (0.651 kg).

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

See perch records across England →

Most recent observation29 April 2025South Cerney - behind outdoor education centre · 7 fish

Largest measured perch: 32.4 cm
Median length: 11.6 cm
Fish measured: 437
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.

Length	Survey date	Survey location	Survey ID
32.4 cm	20 Oct 2003	River Churn - Cerney Wick	78428
31.6 cm	15 Oct 2002	River Churn - South Cerney Outdoor Education Centr	72801
30 cm	15 Oct 2002	River Churn - South Cerney Outdoor Education Centr	72801
29.3 cm	15 Oct 2002	River Churn - South Cerney Outdoor Education Centr	72801
29.3 cm	15 Oct 2002	River Churn - South Cerney Outdoor Education Centr	72801
28.8 cm	28 Apr 2003	River Churn - South Cerney Outdoor Education Centr	78435
28.5 cm	10 Oct 2004	River Churn - South Cerney Outdoor Education Centr	83105
28.5 cm	6 Nov 2001	River Churn - South Cerney Outdoor Education Centr	72784
27.8 cm	6 Nov 2001	River Churn - South Cerney Outdoor Education Centr	72784
26.5 cm	16 Apr 2015	River Churn - South Cerney Outdoor Education Centr	144563

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 surveyed	First recorded	Last recorded	Visits finding perch
South Cerney - behind outdoor education centre	20 Apr 2017	29 Apr 2025	3
River Churn - South Cerney Outdoor Education Centr	6 Nov 2001	16 Apr 2015	8
River Churn - Cerney Wick	9 May 2002	16 Apr 2015	9
River Churn - Upstream Thames Confluence	23 Mar 2004	23 Mar 2004	1

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

2001–2025

Survey records by year

Each bar shows how many survey visits recorded perch that year.

101

402

303

404

205

006

007

008

009

110

011

112

013

014

215

016

117

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 437 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 9.8 cm
Median: 11.6 cm
Upper quarter: 15.1 cm
Largest: 32.4 cm

0–99 mm

117

100–199 mm

285

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 76 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.6 oz (0.0158 kg)
Median: 1 oz (0.0275 kg)
Upper quarter: 1.7 oz (0.048 kg)
Heaviest: 1 lb 7 oz (0.651 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Churn

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

Brown / sea trout Bullhead Minnow Pike Roach 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 →