RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Copyhold Stream

Largest measured brown / sea trout: 27.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Copyhold Stream was 27.5 cm, recorded at Bridge Farm Q on 20 August 2025.

Across 49 measured brown / sea trout, the median measured length was 14.8 cm.

Surveyors recorded weights for 13 brown / sea trout. The median was 1.1 oz (0.032 kg) and the largest recorded weight was 4 oz (0.113 kg).

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

See brown / sea trout records across England →

Most recent observation20 August 2025Bridge Farm Q · 19 fish
Largest measured brown / sea trout
27.5 cm
Median length
14.8 cm
Fish measured
49
Survey locations
3

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
27.5 cm20 Aug 2025Bridge Farm Q178083
27 cm20 Aug 2025Bridge Farm Q178083
25.1 cm20 Aug 2025Bridge Farm Q178083
23.5 cm20 Aug 2025Bridge Farm Q178083
22.6 cm20 Aug 2025Copyhold Farm178082
22 cm20 Aug 2025Copyhold Farm178082
21.8 cm20 Aug 2025Bridge Farm Q178083
21 cm20 Aug 2025Bridge Farm Q178083
20.7 cm8 Jul 2002Bridge Farm sq61360
20.3 cm20 Aug 2025Bridge Farm Q178083

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
Copyhold Farm20 Aug 202520 Aug 20251
Bridge Farm Q20 Aug 202520 Aug 20251
Bridge Farm sq8 Jul 20028 Jul 20021

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

2002–2025

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 49 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
7 cm
Median
14.8 cm
Upper quarter
18.9 cm
Largest
27.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 13 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.1 oz (0.002 kg)
Median
1.1 oz (0.032 kg)
Upper quarter
2.3 oz (0.065 kg)
Heaviest
4 oz (0.113 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Copyhold Stream

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

European eel Bullhead

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 →