RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Alde (Main Reaches)

Largest measured brown / sea trout: 50.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Alde (Main Reaches) was 50.4 cm, recorded at Upstream Langham Bridge on 4 July 2016.

Across 109 measured brown / sea trout, the median measured length was 19.7 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 Alde (Main Reaches).

See brown / sea trout records across England →

Most recent observation14 May 2024Upstream Farnham Bridge · 9 fish
Largest measured brown / sea trout
50.4 cm
Median length
19.7 cm
Fish measured
109
Survey locations
2

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
50.4 cm4 Jul 2016Upstream Langham Bridge148819
37.3 cm4 Jul 2016Upstream Langham Bridge148819
37.1 cm14 May 2024Upstream Farnham Bridge166559
36.4 cm14 Jul 2010Upstream Langham Bridge122774
35.6 cm4 Jul 2016Upstream Langham Bridge148819
35.2 cm5 Jul 2016Upstream Farnham Bridge148925
35.1 cm14 Jul 2010Upstream Langham Bridge122774
34.7 cm4 Jul 2016Upstream Langham Bridge148819
32.9 cm14 May 2024Upstream Farnham Bridge166559
32.8 cm5 Jul 2016Upstream Farnham Bridge148925

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
Upstream Farnham Bridge5 Jul 201614 May 20242
Upstream Langham Bridge6 Nov 19879 May 20245

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

1987–2024

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 109 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
16.3 cm
Median
19.7 cm
Upper quarter
26.5 cm
Largest
50.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Alde (Main Reaches)

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

European eel Dace Roach Stone loach 3-spined stickleback Flounder

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 →