RiverFish

Roach · Rutilus rutilus

Roach in the River Loddon

Largest measured roach: 33.5 cm

The largest roach measured in Environment Agency surveys of the River Loddon was 33.5 cm, recorded at Sheepbridge on 6 April 2009.

Across 308 measured roach, the median measured length was 11.1 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 Loddon.

See roach records across England →

Most recent observation14 April 2026Sheepbridge · 3 fish
Largest measured roach
33.5 cm
Median length
11.1 cm
Fish measured
308
Survey locations
14

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
33.5 cm6 Apr 2009Sheepbridge117154
23.5 cm6 Apr 2009Sheepbridge117154
23.4 cm15 Oct 2013Stratfield Saye139600
22.6 cm5 May 2005Twyford LH Channel84605
21 cm7 Nov 2005Lilly Mill87630
20.6 cm7 Apr 2016Sheepbridge147924
20 cm15 Oct 2013Lilly Mill139599
19.9 cm6 Apr 2009Sheepbridge117154
19.6 cm5 May 2005Twyford LH Channel84605
19 cm20 May 2004Upper Stanford End79905

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
Sheepbridge2 May 200614 Apr 20266
Twyford LH Channel11 Dec 19911 May 20259
Upper Stanford End20 May 20042 Apr 20253
Twyford RH channel Downstream25 Apr 201925 Apr 20191
Stratfield Saye15 Oct 201312 Oct 20162
Lilly Mill5 Nov 199115 Oct 20133
Twyford RH Channel6 Dec 199114 Apr 20106
Lower Stanford End17 Apr 20028 Apr 20096
Whistley Mill14 Jan 199218 Apr 20022
Sindlesham Back Stream16 May 199216 May 19921
Sindlesham Mill9 Jan 19929 Jan 19921
Upstream Bow brook5 Nov 19915 Nov 19911
Priory Farm, Swallowfield22 May 199122 May 19911
Stanford End23 Apr 199123 Apr 19911

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

1991–2026

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 308 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
9 cm
Median
11.1 cm
Upper quarter
13.6 cm
Largest
33.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Loddon

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

Chub Gudgeon Brown / sea trout Pike Dace 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 →