RiverFish

Roach · Rutilus rutilus

Roach in the River Dearne

Largest measured roach: 36.8 cm

The largest roach measured in Environment Agency surveys of the River Dearne was 36.8 cm, recorded at meanders u/s Pastures Bridge on 22 July 1988.

Across 3,498 measured roach, the median measured length was 8.5 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 roach records across England →

Most recent observation2 July 2026Darfield (expanded 2016) · 2 fish
Largest measured roach
36.8 cm
Median length
8.5 cm
Fish measured
3,498
Survey locations
20

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
36.8 cm22 Jul 1988meanders u/s Pastures Bridge109818
30 cm26 Sept 1994meanders u/s Pastures Bridge109933
29.1 cm19 Jul 1999Downstream railway bridge (d/s control)72864
28.5 cm19 Jul 1999Downstream railway bridge (d/s control)72864
27.9 cm20 Jun 2008Darfield (expanded 2016)114565
27.8 cm26 Jul 2012Darfield (expanded 2016)133222
27.6 cm21 Jun 2011meanders u/s Pastures Bridge128900
27.5 cm26 Jul 2007Stairfoot108007
27.5 cm19 Jul 1999Downstream railway bridge (d/s control)72864
27.4 cm20 Jun 2008Darfield (expanded 2016)114565

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Darfield (expanded 2016)20 Apr 19832 Jul 202613
meanders u/s Pastures Bridge6 Oct 198218 Jun 202628
Pastures Bridge - Fry Survey18 Sept 199712 Aug 202519
Darton Scout Clubhouse20 Jun 20116 Aug 20252
Stairfoot16 Oct 199724 Jun 201915
Adwick-on-Dearne10 Aug 198321 Jun 20174
Haigh roundabout5 Aug 200519 Jun 20174
Darfield (Top Weir)20 Jun 200826 Jul 20123
Downstream Broomhill bridge23 May 199721 Jun 201112
Baraugh Bridge28 Sept 200724 Jun 20104
Old Moor upstream site19 May 199726 Jun 20064
Star Paper Mill Weir5 Aug 199416 Sept 20043
Downstream railway bridge (d/s control)14 May 199719 Jul 19992
Old Moor downstream site19 May 199714 Jul 19992
Downstream Lundwood STW29 Jun 199929 Jun 19991
Pastures Bridge4 Dec 19917 May 19983
Harlington (u/s improvement)29 Oct 199729 Oct 19971
Broomhill4 Dec 199117 Oct 19974
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 roach that year.

Fish measured by surveyors

Measured length distribution

See how the 3,498 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
3.5 cm
Median
8.5 cm
Upper quarter
12.7 cm
Largest
36.8 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 Minnow Perch

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 →