RiverFish

Roach · Rutilus rutilus

Roach in the South Holland Main Drain

Largest measured roach: 31.9 cm

The largest roach measured in Environment Agency surveys of the South Holland Main Drain was 31.9 cm, recorded at Leedsgate Bridge on 5 April 2011.

Across 21,351 measured roach, the median measured length was 9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the South Holland Main Drain.

See roach records across England →

Most recent observation3 April 2025Foremans Bridge · 5 fish
Largest measured roach
31.9 cm
Median length
9 cm
Fish measured
21,351
Survey locations
18

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
31.9 cm5 Apr 2011Leedsgate Bridge126080
30.4 cm15 Apr 2010Coy Sluice123198
29 cm17 Jun 1997Cliftons Bridge54713
27.6 cm14 Apr 2008Foremans Bridge110697
27.5 cm11 Jun 1997Leedsgate Bridge54712
26.5 cm8 Jul 1994Upstream Coy Sluice54704
26.5 cm1 Jul 1991Holland House54691
26 cm14 Apr 2008Foremans Bridge110697
26 cm17 Jun 1997Cliftons Bridge54713
25.8 cm2 Apr 2025Cliftons Bridge176158

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
Foremans Bridge8 May 19863 Apr 202511
Cliftons Bridge7 May 19862 Apr 202515
Coy Sluice13 Jun 20011 Apr 202511
Shell Bridge15 Apr 198626 Mar 202510
Red House Bridge19 Jun 19917 Apr 20113
Leedsgate Bridge8 Jan 19885 Apr 20116
Peak Hill22 Feb 19881 Apr 20114
Upstream Wisemans Pumping Station5 Jan 198816 Apr 20105
Little Holland - Middle Site27 Mar 200627 Mar 20061
Red House Farm6 Mar 20066 Mar 20061
Donnington Pumping Station?6 Mar 20066 Mar 20061
Sharps Bridge (South Holland Drain)17 Feb 198820 Jun 20014
Downstream Coy Sluice7 Jan 198813 Jun 20013
Holland Lodge Farm2 Jul 199129 Sept 19972
Upstream Coy Sluice8 Jul 19944 Jun 19972
Holland House1 Jul 19911 Jul 19911
A1101 Bridge23 Feb 198817 Jun 19912
Bells Bridge12 Jan 198812 Jan 19881

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

1986–2025

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 21,351 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
7 cm
Median
9 cm
Upper quarter
11.6 cm
Largest
31.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the South Holland Main Drain

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

Pike Gudgeon Common bream Perch Rudd European eel

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 →