Perch · Perca fluviatilis

Perch in the River Meden

Largest measured perch: 34.2 cm

The largest perch measured in Environment Agency surveys of the River Meden was 34.2 cm, recorded at Church Warsop on 12 May 2000.

Across 139 measured perch, the median measured length was 10.4 cm.

Surveyors recorded one individual weight: 10 oz (0.283 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 Meden.

See perch records across England →

Most recent observation24 September 2025Bothamsall · 5 fish
Largest measured perch
34.2 cm
Median length
10.4 cm
Fish measured
139
Survey locations
7

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
34.2 cm12 May 2000Church Warsop23673
30.5 cm5 Sept 2019Bothamsall155299
30 cm12 May 2000Church Warsop23673
29.7 cm23 Oct 1996Church Warsop23876
29.4 cm12 May 2000Church Warsop23673
28.2 cm23 Oct 1996Church Warsop23876
27.9 cm12 May 2000Church Warsop23673
26.2 cm26 Jun 2012DS Bothamsall (DS Pre-barrage)131630
26.2 cm12 May 2000Church Warsop23673
26.1 cm22 Jan 1992Budby25112

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
Bothamsall17 May 201624 Sept 20254
Perlethorpe Gauging Weir19 May 201123 May 20132
DS Bothamsall (DS Pre-barrage)26 Jun 201226 Jun 20121
Meden Vale10 Oct 19953 Jun 20107
Thoresby27 May 200927 May 20091
Budby22 Jan 199215 Jul 20045
Church Warsop5 Feb 19928 Jul 20034

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

1992–2025

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 139 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
8.1 cm
Median
10.4 cm
Upper quarter
15.1 cm
Largest
34.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
10 oz (0.283 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 Meden

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 →