Roach · Rutilus rutilus

Roach in the Bellwater Drain

Largest measured roach: 26.4 cm

The largest roach measured in Environment Agency surveys of the Bellwater Drain was 26.4 cm, recorded at Bellwater Farm on 20 September 2019.

Across 4,403 measured roach, the median measured length was 9.2 cm.

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

See roach records across England →

Most recent observation20 September 2019Bellwater Farm · 992 fish
Largest measured roach
26.4 cm
Median length
9.2 cm
Fish measured
4,403
Survey locations
3

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
26.4 cm20 Sept 2019Bellwater Farm156034
24.8 cm22 Sept 2016Bellwater Farm150000
24.4 cm2 Jul 1993Hemholme Bridge57829
23.3 cm20 Sept 2019Bellwater Farm156034
23.1 cm22 Sept 2016Bellwater Farm150000
22.5 cm22 Sept 2016Bellwater Farm150000
22.3 cm22 Sept 2016Bellwater Farm150000
22.3 cm22 Aug 1990Hemholme Bridge57818
22.2 cm1 Dec 1987Hemholme Bridge57813
22.1 cm1 Dec 1987Hemholme Bridge57813

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
Bellwater Farm14 Oct 198720 Sept 20196
Hemholme Bridge1 Dec 198724 Jun 19964
Thorpe Fen18 Jun 199320 Jun 19962

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

1987–2019

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 4,403 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
7.3 cm
Median
9.2 cm
Upper quarter
12.2 cm
Largest
26.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bellwater Drain

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

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 →