RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Swinesbrook

Largest measured brown / sea trout: 26.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Swinesbrook was 26.7 cm, recorded at Calverleigh (Sp) on 18 June 2009.

Across 45 measured brown / sea trout, the median measured length was 12.6 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 Swinesbrook.

See brown / sea trout records across England →

Most recent observation7 June 2022Calverleigh (Sp) · 1 fish
Largest measured brown / sea trout
26.7 cm
Median length
12.6 cm
Fish measured
45
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
26.7 cm18 Jun 2009Calverleigh (Sp)117430
22.1 cm25 Jun 2015Calverleigh (Sp)145153
20.2 cm25 Jun 2015Calverleigh (Sp)145153
19.7 cm25 Jun 2015Calverleigh (Sp)145153
19.2 cm7 Jun 2022Calverleigh (Sp)161120
16.5 cm18 Jun 2009Calverleigh (Sp)117430
16.2 cm18 Jun 2009Calverleigh (Sp)117430
16 cm25 Jun 2015Calverleigh (Sp)145153
15.8 cm25 Jun 2015Calverleigh (Sp)145153
15.6 cm18 Jun 2009Calverleigh (Sp)117430

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
Calverleigh (Sp)4 Jun 19987 Jun 20225

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

1998–2022

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 45 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
5.4 cm
Median
12.6 cm
Upper quarter
15.5 cm
Largest
26.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swinesbrook

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

Bullhead Stone loach

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 →