RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Back Brook

Largest measured brown / sea trout: 22.6 cm

The largest brown / sea trout measured in Environment Agency surveys of the Back Brook was 22.6 cm, recorded at Hillside (Sp) on 2 June 2023.

Across 192 measured brown / sea trout, the median measured length was 4.9 cm.

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

See brown / sea trout records across England →

Most recent observation2 June 2023Hillside (Sp) · 119 fish
Largest measured brown / sea trout
22.6 cm
Median length
4.9 cm
Fish measured
192
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
22.6 cm2 Jun 2023Hillside (Sp)162597
20.4 cm2 Jun 2023Hillside (Sp)162597
19.5 cm6 Jun 2016Hillside (Sp)148137
18.8 cm2 Jun 2023Hillside (Sp)162597
18.3 cm6 Jun 2016Hillside (Sp)148137
17.9 cm17 May 2011Hillside (Sp)126368
17.5 cm2 Jun 2023Hillside (Sp)162597
16.6 cm6 Jun 2016Hillside (Sp)148137
15.9 cm2 Jun 2023Hillside (Sp)162597
15.7 cm6 Jun 2016Hillside (Sp)148137

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
Hillside (Sp)25 Sept 19982 Jun 20235

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

1998–2023

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 192 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
4.5 cm
Median
4.9 cm
Upper quarter
6.3 cm
Largest
22.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Back Brook

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

Bullhead European eel

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 →