Brown / sea trout · Salmo trutta

Brown / sea trout in the Swin Burn

Largest measured brown / sea trout: 19.1 cm

The largest brown / sea trout measured in Environment Agency surveys of the Swin Burn was 19.1 cm, recorded at Swin Burn on 22 July 2017.

Across 209 measured brown / sea trout, the median measured length was 7.3 cm.

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

See brown / sea trout records across England →

Most recent observation22 July 2017Swin Burn · 223 fish

Largest measured brown / sea trout: 19.1 cm
Median length: 7.3 cm
Fish measured: 209
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.

Length	Survey date	Survey location	Survey ID
19.1 cm	22 Jul 2017	Swin Burn	150987
19 cm	22 Jul 2017	Swin Burn	150987
17.6 cm	22 Jul 2017	Swin Burn	150987
16.7 cm	7 Oct 2005	Swin Burn at Swinburn Castle	87427
16.3 cm	22 Jul 2017	Swin Burn	150987
15.5 cm	29 Sept 2005	Swin Burn	87421
15.4 cm	22 Jul 2017	Swin Burn	150987
15.3 cm	9 Sept 2011	Swin Burn	128477
15.1 cm	22 Jul 2017	Swin Burn	150987
15.1 cm	22 Jul 2017	Swin Burn	150987

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
Swin Burn	29 Sept 2005	22 Jul 2017	4
Swin Burn at Swinburn Castle	29 Jul 1993	7 Oct 2005	2

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

1993–2017

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

003

004

205

006

007

108

009

010

111

012

013

014

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 209 measured fish were spread across different length ranges.

Smallest: 4.6 cm
Lower quarter: 6.4 cm
Median: 7.3 cm
Upper quarter: 11 cm
Largest: 19.1 cm

0–99 mm

152

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

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 →