Perch · Perca fluviatilis

Perch in the River Main Culm

Largest measured perch: 25 cm

The largest perch measured in Environment Agency surveys of the River Main Culm was 25 cm, recorded at Columbjohn (CFTe/wfdi)* on 10 September 2009.

Across 18 measured perch, the median measured length was 13.4 cm.

Surveyors recorded weights for 5 perch. The median was 4 oz (0.114 kg) and the largest recorded weight was 8 oz (0.228 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 Main Culm.

See perch records across England →

Most recent observation22 May 2026Glasshouses · 6 fish
Largest measured perch
25 cm
Median length
13.4 cm
Fish measured
18
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
25 cm10 Sept 2009Columbjohn (CFTe/wfdi)*118874
21.1 cm5 Oct 2006Columbjohn (CFTe/wfdi)*101733
20.3 cm10 Sept 2009Columbjohn (CFTe/wfdi)*118874
17.9 cm5 Oct 2023Columbjohn (CFTe/wfdi)*163507
15.1 cm29 Apr 2019Glasshouses154868
14.9 cm16 Sept 2008Venn Farm (Sp)*114468
14.9 cm10 Sept 2005Columbjohn (CFTe/wfdi)*89417
14.3 cm16 Sept 2022Columbjohn (CFTe/wfdi)*161466
14 cm10 Sept 2009Columbjohn (CFTe/wfdi)*118874
12.9 cm1 Jul 2013Venn Farm (Sp)*137032

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
Glasshouses29 Apr 201922 May 20262
Columbjohn (CFTe/wfdi)*10 Sept 20055 Oct 20235
Venn Farm (Sp)*16 Sept 20081 Jul 20132

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

2005–2026

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 18 measured fish were spread across different length ranges.

Smallest
7.4 cm
Lower quarter
10.4 cm
Median
13.5 cm
Upper quarter
15.1 cm
Largest
25 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 5 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest
1.2 oz (0.034 kg)
Lower quarter
1.8 oz (0.052 kg)
Median
4 oz (0.114 kg)
Upper quarter
4.2 oz (0.12 kg)
Heaviest
8 oz (0.228 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 Main Culm

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

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 →