RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Gunnerton Burn

Largest measured brown / sea trout: 15.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Gunnerton Burn was 15.8 cm, recorded at Gunnerton Burn on 22 August 2014.

Across 244 measured brown / sea trout, the median measured length was 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 Gunnerton Burn.

See brown / sea trout records across England →

Most recent observation8 July 2026Gunnerton Burn · 70 fish
Largest measured brown / sea trout
15.8 cm
Median length
6 cm
Fish measured
244
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
15.8 cm22 Aug 2014Gunnerton Burn142401
14.5 cm8 Jul 2026Gunnerton Burn 2182256
14.2 cm8 Jul 2026Gunnerton Burn 2182256
14.1 cm22 Aug 2014Gunnerton Burn142401
13.9 cm22 Aug 2014Gunnerton Burn 2142402
13.6 cm8 Jul 2026Gunnerton Burn 2182256
13.6 cm22 Aug 2014Gunnerton Burn142401
13.5 cm22 Aug 2014Gunnerton Burn142401
13.4 cm22 Aug 2014Gunnerton Burn142401
13.4 cm22 Aug 2014Gunnerton Burn142401

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
Gunnerton Burn 222 Aug 20148 Jul 20262
Gunnerton Burn3 Aug 19938 Jul 20265

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

1993–2026

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 244 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
5.4 cm
Median
6 cm
Upper quarter
9.2 cm
Largest
15.8 cm

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 →