Brown / sea trout · Salmo trutta

Brown / sea trout in the Watton Brook

Largest measured brown / sea trout: 36.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the Watton Brook was 36.9 cm, recorded at Hopton Farm on 28 April 2015.

Across 392 measured brown / sea trout, the median measured length was 13.9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Watton Brook.

See brown / sea trout records across England →

Most recent observation15 May 2024Hopton Farm · 2 fish

Largest measured brown / sea trout: 36.9 cm
Median length: 13.9 cm
Fish measured: 392
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.

Length	Survey date	Survey location	Survey ID
36.9 cm	28 Apr 2015	Hopton Farm	144617
36.3 cm	20 May 1996	Linghills Farm	30234
35.3 cm	20 May 1996	Linghills Farm	30234
34.8 cm	8 Jan 1993	Lt Cressingham	30230
34.3 cm	28 Apr 2015	Hopton Farm	144617
34.3 cm	19 Jan 1993	Linghills Farm	30232
33.3 cm	25 Feb 2000	Linghills Farm	30223
32.8 cm	20 May 1996	Linghills Farm	30234
32.8 cm	19 Jan 1993	Linghills Farm	30232
32.3 cm	20 May 1996	Linghills Farm	30234

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
Hopton Farm	7 Feb 1990	15 May 2024	5
Lt Cressingham	8 Jan 1993	14 May 2024	5
Linghills Farm	12 Feb 1990	5 May 2015	7

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

1990–2024

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

290

091

092

393

094

095

196

097

098

099

200

001

002

003

004

005

006

107

008

009

010

011

312

013

014

315

016

017

018

019

020

021

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 392 measured fish were spread across different length ranges.

Smallest: 8 cm
Lower quarter: 12.3 cm
Median: 13.9 cm
Upper quarter: 17.1 cm
Largest: 36.9 cm

0–99 mm

100–199 mm

310

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Watton Brook

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

Gudgeon Stone loach Dace European eel Bullhead 3-spined stickleback

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 →