RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Dalch

Largest measured brown / sea trout: 27.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Dalch was 27.4 cm, recorded at Mill Barton Bridge (Sp) on 19 June 2012.

Across 51 measured brown / sea trout, the median measured length was 15.8 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 Dalch.

See brown / sea trout records across England →

Most recent observation1 August 2025Mill Barton Bridge (Sp) · 3 fish
Largest measured brown / sea trout
27.4 cm
Median length
15.8 cm
Fish measured
51
Survey locations
3

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
27.4 cm19 Jun 2012Mill Barton Bridge (Sp)131556
26.8 cm1 Aug 2025Calves Bridge (Sp)177696
25.1 cm19 Jun 2012Calves Bridge (Sp)131557
23.8 cm13 Aug 2018Calves Bridge (Sp)153258
23.2 cm19 Jun 2012Mill Barton Bridge (Sp)131556
22.7 cm13 Aug 2018Mill Barton Bridge (Sp)153259
22.1 cm19 Jun 2012Mill Barton Bridge (Sp)131556
21.7 cm13 Aug 2018Calves Bridge (Sp)153258
21.5 cm19 Jun 2012Mill Barton Bridge (Sp)131556
20.3 cm19 Jun 2012Mill Barton Bridge (Sp)131556

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
Mill Barton Bridge (Sp)5 Aug 19961 Aug 20256
Calves Bridge (Sp)5 Aug 19961 Aug 20256
Hele Lane (Sp)*5 Aug 19964 Aug 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 51 measured fish were spread across different length ranges.

Smallest
5.6 cm
Lower quarter
14 cm
Median
15.8 cm
Upper quarter
19.7 cm
Largest
27.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dalch

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

Bullhead European eel Minnow Stone loach 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 →