RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Molland Yeo

Largest measured brown / sea trout: 32.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Molland Yeo was 32.4 cm, recorded at Mornacott (Te) on 31 August 2012.

Across 829 measured brown / sea trout, the median measured length was 13.7 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 Molland Yeo.

See brown / sea trout records across England →

Most recent observation25 July 2025Westbridge Stables (Sp) · 21 fish
Largest measured brown / sea trout
32.4 cm
Median length
13.7 cm
Fish measured
829
Survey locations
10

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
32.4 cm31 Aug 2012Mornacott (Te)133163
28 cm13 Aug 2012Yeo Mill (Sp)132777
27.4 cm17 Jul 2018Yeo Mill (Sp)152912
27.4 cm13 Aug 2012Bottreaux Mill (Sp)132778
26.6 cm31 Aug 2012Mornacott (Te)133163
26.5 cm23 Jul 2025Bottreaux Mill (Sp)178371
26.2 cm23 Jul 2025Yeo Mill (Sp)178372
26.2 cm13 Aug 2012Bottreaux Mill (Sp)132778
25.8 cm18 Jul 2018Touts Bridge (Sp)152915
25.5 cm25 Jul 2025Touts Bridge (Sp)178656

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
Westbridge Stables (Sp)20 Aug 199625 Jul 20254
Touts Bridge (Sp)23 Aug 199625 Jul 20255
Yeo Mill (Sp)20 Aug 199623 Jul 20255
Bottreaux Mill (Sp)23 Aug 199623 Jul 20255
Mornacott (Te)20 Aug 199617 Jul 202517
Westbridge Stables (5 min)25 Sept 202325 Sept 20231
Grilstone (5 min)20 Aug 199619 Sept 20233
Reach Farm (5 min)16 Sept 202316 Sept 20231
Yeo Farm (5 min)16 Aug 202316 Aug 20231
Bish Mill (5 min)6 Aug 199616 Aug 20236

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 829 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
10.6 cm
Median
13.7 cm
Upper quarter
16.6 cm
Largest
32.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Molland Yeo

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

Bullhead Atlantic salmon Stone loach Minnow 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 →