RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Lapford Yeo

Largest measured brown / sea trout: 28.2 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Lapford Yeo was 28.2 cm, recorded at Nymphayes (Sp) on 6 August 2018.

Across 55 measured brown / sea trout, the median measured length was 17.3 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 Lapford Yeo.

See brown / sea trout records across England →

Most recent observation1 August 2025Nymphayes (Sp) · 9 fish
Largest measured brown / sea trout
28.2 cm
Median length
17.3 cm
Fish measured
55
Survey locations
7

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
28.2 cm6 Aug 2018Nymphayes (Sp)153020
27.9 cm7 Sept 2012Nymphayes (Sp)133349
24.6 cm7 Sept 2012Nymphayes (Sp)133349
24.5 cm3 Jul 2012North Beer (Sp)131719
24.4 cm6 Aug 2018Nymphayes (Sp)153020
24.1 cm7 Sept 2012Nymphayes (Sp)133349
24 cm7 Sept 2012Nymphayes (Sp)133349
23.8 cm1 Aug 2025Nymphayes (Sp)178420
23.5 cm7 Sept 2012Nymphayes (Sp)133349
22.8 cm7 Sept 2012Nymphayes (Sp)133349

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
Nymphayes (Sp)8 Aug 19961 Aug 20256
North Beer (Sp)5 Aug 199630 Jun 20255
Tucking Mill (Sp)*7 Aug 19963 Aug 19992
Middle Yeo (Sp)*8 Aug 19963 Aug 19992
Bow (Sp)*7 Aug 19963 Aug 19992
Bury Bridge (Sp)*8 Aug 19962 Aug 19992
Lapford (Sp)*7 Aug 19962 Jul 19992

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

1996–2025

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 55 measured fish were spread across different length ranges.

Smallest
5.9 cm
Lower quarter
10.3 cm
Median
17.3 cm
Upper quarter
21.3 cm
Largest
28.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Lapford Yeo

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

Bullhead Minnow Stone loach European eel 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 →