RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Allen

Largest measured brown / sea trout: 30 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Allen was 30 cm, recorded at Daubuz's Moor on 31 May 2011.

Across 413 measured brown / sea trout, the median measured length was 13.3 cm.

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

See brown / sea trout records across England →

Most recent observation15 August 2023Scawswater Mill · 34 fish
Largest measured brown / sea trout
30 cm
Median length
13.3 cm
Fish measured
413
Survey locations
5

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
30 cm31 May 2011Daubuz's Moor126542
29.5 cm15 Aug 2023Scawswater Mill163114
24.2 cm17 Aug 2022Daubuz's Moor161607
23.1 cm31 May 2011Daubuz's Moor126542
22.4 cm31 May 2011Daubuz's Moor126542
22.3 cm31 May 2011Daubuz's Moor126542
22.2 cm17 Aug 2022Scawswater Mill161608
22.1 cm15 Aug 2023Scawswater Mill163114
21.6 cm12 Oct 2021Scawswater Mill160688
21 cm17 Aug 2022Daubuz's Moor161607

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
Scawswater Mill31 Jul 198615 Aug 20234
Daubuz's Moor18 Jul 198617 Aug 20224
Lanner Mill15 Jul 198620 May 20222
Ladys Wood16 Jul 198616 Jul 19861
Trenerry Wood15 Jul 198615 Jul 19861

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

1986–2023

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 413 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
8.2 cm
Median
13.3 cm
Upper quarter
15.9 cm
Largest
30 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Allen

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

Bullhead European eel Brook lamprey

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 →