RiverFish

Perch · Perca fluviatilis

Perch in the River Rother

Largest measured perch: 36.9 cm

The largest perch measured in Environment Agency surveys of the River Rother was 36.9 cm, recorded at .Rother Valley Country Park, d/s weir on 25 July 2001.

Across 338 measured perch, the median measured length was 16.4 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 Rother.

See perch records across England →

Most recent observation19 August 2025McGregors Pond · 6 fish
Largest measured perch
36.9 cm
Median length
16.4 cm
Fish measured
338
Survey locations
10

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
36.9 cm25 Jul 2001.Rother Valley Country Park, d/s weir160
36.3 cm1 Jul 2013.Rother Valley Country Park, d/s weir136978
36.1 cm1 Jul 2013.Rother Valley Country Park, d/s weir136978
35.7 cm9 Jul 2014.Rother Valley Country Park, d/s weir141647
35.7 cm2 Jul 2012.Rother Valley Country Park, d/s weir132262
35.6 cm2 Jul 2012.Rother Valley Country Park, d/s weir132262
35.2 cm26 Jun 2017.Rother Valley Country Park, d/s weir150654
34.3 cm25 Jul 2001.Rother Valley Country Park, d/s weir160
33.9 cm9 Jul 2014.Rother Valley Country Park, d/s weir141647
33.8 cm12 Jul 2011.Rother Valley Country Park, d/s weir128911

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
McGregors Pond3 Sept 200719 Aug 20257
Whitting confluence16 Jul 200229 Jul 202514
.Rother Valley Country Park, d/s weir8 Sept 199528 Jul 202520
Downstream Orgreave weir28 Aug 201928 Aug 20191
Staveley Lane (B6053)28 Jul 199723 Jul 20145
Ickles13 Jul 200613 Jul 20061
Woodhouse washlands (NFMP)11 Jul 200611 Jul 20061
Hall Lane29 Oct 199621 Oct 19982
Catcliffe30 Oct 199620 Oct 19982
River Rother at Holbrook [B6058]29 Oct 199629 Oct 19961

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

1995–2025

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 338 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
12.3 cm
Median
16.4 cm
Upper quarter
21.9 cm
Largest
36.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rother

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

Roach 3-spined stickleback Chub Brown / sea trout Gudgeon Bullhead

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 →