RiverFish

Roach · Rutilus rutilus

Roach in the River Lambourn

Largest measured roach: 25.3 cm

The largest roach measured in Environment Agency surveys of the River Lambourn was 25.3 cm, recorded at Upstream Shaw Footbridge on 19 November 2009.

Across 357 measured roach, the median measured length was 15.9 cm.

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

See roach records across England →

Most recent observation25 June 2014Upstream Shaw Gauging Station · 3 fish
Largest measured roach
25.3 cm
Median length
15.9 cm
Fish measured
357
Survey locations
5

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
25.3 cm19 Nov 2009Upstream Shaw Footbridge120620
23.9 cm14 Nov 2012Upstream Old Railway Bridge135118
23.8 cm15 Nov 2011Upstream Old Railway Bridge129382
23.5 cm14 Nov 2012Upstream Old Railway Bridge135118
23.4 cm14 Nov 2012Upstream Old Railway Bridge135118
23.4 cm14 Nov 2012Upstream Old Railway Bridge135118
23.4 cm14 Nov 2012Upstream Old Railway Bridge135118
23.2 cm15 Nov 2011Upstream Old Railway Bridge129382
23.1 cm24 Nov 2008Upstream Shaw Footbridge116220
23 cm18 Nov 2009Upstream Old Railway Bridge120543

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
Upstream Shaw Gauging Station22 May 201225 Jun 20143
Upstream Old Railway Bridge24 Nov 200814 Nov 20125
Upstream Old A3424 Nov 200814 Nov 20124
Upstream Shaw Footbridge24 Nov 200815 Nov 20114
Upstream of confluence16 Mar 200616 Mar 20061

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

2006–2014

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 357 measured fish were spread across different length ranges.

Smallest
8.1 cm
Lower quarter
13.2 cm
Median
15.9 cm
Upper quarter
17.8 cm
Largest
25.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lambourn

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

Brown / sea trout Bullhead Grayling Pike Minnow Atlantic salmon

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 →