RiverFish

Perch · Perca fluviatilis

Perch in the River Glen Downstream Confluence

Largest measured perch: 30.7 cm

The largest perch measured in Environment Agency surveys of the River Glen Downstream Confluence was 30.7 cm, recorded at Downstream Kates Bridge on 28 October 2025.

Across 146 measured perch, the median measured length was 14.6 cm.

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

See perch records across England →

Most recent observation28 October 2025Downstream Kates Bridge · 42 fish
Largest measured perch
30.7 cm
Median length
14.6 cm
Fish measured
146
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.

LengthSurvey dateSurvey locationSurvey ID
30.7 cm28 Oct 2025Downstream Kates Bridge179993
28.7 cm5 May 2010Downstream Kates Bridge122306
27.3 cm13 Aug 2009Wilsthorpe118663
26 cm16 Oct 2006Downstream Kates Bridge102690
24.5 cm1 May 1991Wilsthorpe54340
24 cm16 Oct 2006Downstream Kates Bridge102690
22.2 cm28 Oct 2025Downstream Kates Bridge179993
22 cm7 Jul 2005Downstream Kates Bridge86220
21.6 cm23 Mar 2016Downstream Fletland Mill147906
21.5 cm16 Oct 2007Downstream Kates Bridge108184

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
Downstream Kates Bridge7 May 199128 Oct 20259
Upstream Kates Bridge5 May 201026 Jun 20253
Downstream Fletland Mill23 Mar 201623 Mar 20161
Wilsthorpe1 May 199125 Apr 20125

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

1991–2025

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 146 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
10.5 cm
Median
14.6 cm
Upper quarter
17.4 cm
Largest
30.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Glen Downstream Confluence

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

Pike European eel Minnow Bullhead Chub 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 →