RiverFish

Roach · Rutilus rutilus

Roach in the Thorney River Inc Counter Drain

Largest measured roach: 24.5 cm

The largest roach measured in Environment Agency surveys of the Thorney River Inc Counter Drain was 24.5 cm, recorded at Bassnimoor Farm on 23 May 1994.

Across 1,894 measured roach, the median measured length was 10.5 cm.

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

See roach records across England →

Most recent observation24 April 1997Bassnimoor Farm · 1 fish
Largest measured roach
24.5 cm
Median length
10.5 cm
Fish measured
1,894
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
24.5 cm23 May 1994Bassnimoor Farm54630
24 cm23 May 1994Bassnimoor Farm54630
24 cm13 Apr 1994Stone Bridge54622
24 cm15 Oct 1991Dog-in-a-Doublet Pumping Station54605
23.5 cm13 Apr 1994Stone Bridge54622
23 cm14 Apr 1997Dog-in-a-Doublet Pumping Station54645
23 cm14 Apr 1997Dog-in-a-Doublet Pumping Station54645
22.5 cm14 Apr 1997Dog-in-a-Doublet Pumping Station54645
22.5 cm14 Apr 1997Stone Bridge54644
22 cm14 Apr 1997Dog-in-a-Doublet Pumping Station54645

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
Bassnimoor Farm23 May 199424 Apr 19972
Stone Bridge15 Oct 199114 Apr 19973
Dog-in-a-Doublet Pumping Station15 Oct 199114 Apr 19973

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

1991–1997

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 1,894 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
10 cm
Median
10.5 cm
Upper quarter
11.5 cm
Largest
24.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Thorney River Inc Counter Drain

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

Pike Tench Perch Silver bream

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 →