RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Stock Ghyll

Largest measured brown / sea trout: 18.6 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Stock Ghyll was 18.6 cm, recorded at 343.00 Police Station on 10 July 2019.

Across 101 measured brown / sea trout, the median measured length was 7.1 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 Stock Ghyll.

See brown / sea trout records across England →

Most recent observation3 July 2025343.00 Police Station · 11 fish
Largest measured brown / sea trout
18.6 cm
Median length
7.1 cm
Fish measured
101
Survey locations
6

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
18.6 cm10 Jul 2019343.00 Police Station155331
15.5 cm13 Aug 2024343.01 DS Police Station CPUE166296
14.4 cm3 Jul 2025343.00 Police Station178115
14.2 cm3 Jul 2025343.00 Police Station178115
14.1 cm3 Jul 2025343.00 Police Station178115
13.8 cm3 Jul 2025343.00 Police Station178115
13.6 cm3 Jul 2025343.00 Police Station178115
13.2 cm3 Jul 2025343.00 Police Station178115
13.2 cm10 Jul 2019343.00 Police Station155331
13.1 cm10 Jul 2019343.00 Police Station155331

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
343.00 Police Station20 Aug 19903 Jul 20258
343.01 DS Police Station CPUE25 Jul 202313 Aug 20242
US Quarry Tributary11 Aug 199229 Aug 19962
Roundhill Farm20 Aug 199029 Aug 19963
Snowcove Ghyll11 Aug 199211 Aug 19921
Near Road11 Aug 199211 Aug 19921

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

1990–2025

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 101 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
6.5 cm
Median
7.1 cm
Upper quarter
11.3 cm
Largest
18.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Stock Ghyll

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

Atlantic salmon

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 →