RiverFish

Perch · Perca fluviatilis

Perch in the River Dearne

Largest measured perch: 37.8 cm

The largest perch measured in Environment Agency surveys of the River Dearne was 37.8 cm, recorded at meanders u/s Pastures Bridge on 21 June 2011.

Across 570 measured perch, the median measured length was 17.4 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 Dearne.

See perch records across England →

Most recent observation2 July 2026Darfield (expanded 2016) · 1 fish
Largest measured perch
37.8 cm
Median length
17.4 cm
Fish measured
570
Survey locations
19

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
37.8 cm21 Jun 2011meanders u/s Pastures Bridge128900
37.1 cm19 Jul 1999Downstream railway bridge (d/s control)72864
37 cm18 Jun 2018meanders u/s Pastures Bridge152677
36.4 cm30 Jun 2008meanders u/s Pastures Bridge114212
35.8 cm18 Jun 2018meanders u/s Pastures Bridge152677
35.4 cm22 Jun 2010meanders u/s Pastures Bridge124930
34.9 cm20 Jun 2012meanders u/s Pastures Bridge131597
34.7 cm14 May 1997Downstream railway bridge (d/s control)109677
34.5 cm6 Aug 2003meanders u/s Pastures Bridge78796
34.5 cm30 Jun 1999Darfield (expanded 2016)73016

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
Darfield (expanded 2016)20 Sept 19942 Jul 202613
meanders u/s Pastures Bridge6 Oct 198218 Jun 202628
Stairfoot25 Jun 198517 Jun 202620
Pastures Bridge - Fry Survey1 Oct 199812 Aug 202512
Downstream Broomhill bridge23 May 199721 Jun 201711
Adwick-on-Dearne23 Jun 201121 Jun 20172
Haigh roundabout4 Aug 199419 Jun 20174
Darfield (Top Weir)20 Jun 200826 Jul 20123
Darton Scout Clubhouse20 Jun 201120 Jun 20111
Baraugh Bridge28 Sept 200717 Jun 20093
Star Paper Mill Weir14 Jul 198816 Sept 20043
Old Moor upstream site19 May 199711 Sept 20043
Downstream railway bridge (d/s control)14 May 199719 Jul 19992
Old Moor downstream site19 May 199714 Jul 19992
Pastures Bridge4 Dec 19917 May 19983
Harlington (u/s improvement)29 Oct 199729 Oct 19971
Broomhill5 Oct 198214 May 19975
Above Don confluence29 Sept 199429 Sept 19941
Bolton-0n-Dearne10 May 198322 Jul 19882

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

1982–2026

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 570 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
12.5 cm
Median
17.4 cm
Upper quarter
21.8 cm
Largest
37.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dearne

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

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

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 →