RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Yeo

Largest measured brown / sea trout: 31 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Yeo was 31 cm, recorded at Downes Mill (Te)* on 28 August 2007.

Across 317 measured brown / sea trout, the median measured length was 17.2 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 Yeo.

See brown / sea trout records across England →

Most recent observation3 July 2025Downstream Golf Course Footbridge (Te) · 2 fish
Largest measured brown / sea trout
31 cm
Median length
17.2 cm
Fish measured
317
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
31 cm28 Aug 2007Downes Mill (Te)*107675
30.5 cm28 Aug 2007Downes Mill (Te)*107675
30.2 cm27 Jul 2021Gunstone Mill (Sp)160635
29.8 cm19 Aug 2010Downes Mill (Te)*123477
29.5 cm4 Oct 2007Downstream Salmon Hutch (Sp)107688
29 cm18 Jul 2023Downstream Golf Course Footbridge (Te)163318
28.8 cm27 Jun 2019Downstream Golf Course Footbridge (Te)154663
28.5 cm2 Jun 2011Downes Mill (Te)*126399
28.3 cm19 Aug 2010Downes Mill (Te)*123477
28 cm27 Jun 2023Gunstone Mill (Sp)163951

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
Downstream Golf Course Footbridge (Te)18 Sept 20123 Jul 20257
Mill Bridge (Sp/)5 Jun 19977 Jul 20235
Yeoford (Sp)24 May 20113 Jul 20232
Gunstone Mill (Sp)19 Jun 199727 Jun 20237
Downstream Salmon Hutch (Sp)19 Jun 199723 Jun 20235
Hittisleigh Mill (Sp/)12 Jun 19974 Jun 20134
Downes Mill (Te)*5 Jun 19972 Jun 20115

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

1997–2025

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 317 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
13.9 cm
Median
17.2 cm
Upper quarter
21.5 cm
Largest
31 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Yeo

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

Bullhead 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 →