RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Wraysbury River

Largest measured brown / sea trout: 34.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Wraysbury River was 34.5 cm, recorded at Harmondsworth Moor on 5 June 2014.

Across 9 measured brown / sea trout, the median measured length was 24.2 cm.

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

See brown / sea trout records across England →

Most recent observation15 May 2024Harmondsworth Moor · 3 fish
Largest measured brown / sea trout
34.5 cm
Median length
24.2 cm
Fish measured
9
Survey locations
1

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
34.5 cm5 Jun 2014Harmondsworth Moor141014
34.2 cm3 Sept 2003Harmondsworth Moor76923
27 cm28 Jun 2007Harmondsworth Moor105720
24.8 cm5 Jun 2014Harmondsworth Moor141014
24.2 cm5 Jun 2014Harmondsworth Moor141014
23.4 cm15 May 2024Harmondsworth Moor165570
22.6 cm15 May 2024Harmondsworth Moor165570
12.8 cm15 May 2024Harmondsworth Moor165570
12 cm1 Jun 2023Harmondsworth Moor163493

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 brown / sea trout
Harmondsworth Moor3 Sept 200315 May 20245

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

2003–2024

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest
12 cm
Lower quarter
22.6 cm
Median
24.2 cm
Upper quarter
27 cm
Largest
34.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Wraysbury River

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

Chub Dace Gudgeon Minnow Perch Bullhead

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 →