RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Walla Brook

Largest measured brown / sea trout: 25 cm

The largest brown / sea trout measured in Environment Agency surveys of the Walla Brook was 25 cm, recorded at Runnage (Te) on 12 June 2012.

Across 2,024 measured brown / sea trout, the median measured length was 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 Walla Brook.

See brown / sea trout records across England →

Most recent observation21 July 2026Runnage (Te) · 270 fish
Largest measured brown / sea trout
25 cm
Median length
7 cm
Fish measured
2,024
Survey locations
2

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
25 cm12 Jun 2012Runnage (Te)131508
24.7 cm25 Jun 2010Runnage (Te)123337
24.3 cm14 Aug 2024Babeny Stables (Sp)167030
23.5 cm25 Jul 2007Runnage (Te)106735
23 cm8 Jul 2009Runnage (Te)117720
22.9 cm10 Aug 2021Babeny Stables (Sp)160646
22.5 cm10 Jul 2018Runnage (Te)152904
21.1 cm14 Aug 2024Babeny Stables (Sp)167030
21 cm14 Jul 2014Runnage (Te)141691
21 cm25 Jun 2010Runnage (Te)123337

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
Runnage (Te)10 Jun 199621 Jul 202620
Babeny Stables (Sp)22 Aug 201714 Aug 20245

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

1996–2026

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 2,024 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
5.9 cm
Median
7 cm
Upper quarter
10.9 cm
Largest
25 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Walla Brook

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

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 →