RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Wensum (Restoration strategy)

Largest measured brown / sea trout: 47 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Wensum (Restoration strategy) was 47 cm, recorded at Gt. Ryburgh Common, New loop (Reach24) on 22 July 2013.

Across 838 measured brown / sea trout, the median measured length was 18.9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Wensum (Restoration strategy).

See brown / sea trout records across England →

Most recent observation1 May 2025Upstream Dunton Bridge · 22 fish
Largest measured brown / sea trout
47 cm
Median length
18.9 cm
Fish measured
838
Survey locations
12

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
47 cm22 Jul 2013Gt. Ryburgh Common, New loop (Reach24)137469
45.6 cm26 Jul 2013Downstream Fakenham Common (Reach 25)137482
45.4 cm6 Sept 2012Gt Ryburgh End - New Channel Downstream133343
44.4 cm11 Jul 2013Swanton Morley (Restoration Reach 14)137309
44 cm21 Sept 2009Upstream County School (reach 19)119039
43.3 cm5 Jul 2019Upstream County School (reach 19)156027
42.2 cm22 Jul 2014Downstream Fakenham Common (Reach 25)142750
42 cm28 Aug 2024Swanton Morley (Restoration Reach 14)166516
41.5 cm22 Jul 2013Gt. Ryburgh Common, New loop (Reach24)137469
41.1 cm22 Jul 2013Gt. Ryburgh Common, New loop (Reach24)137469

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
Upstream Dunton Bridge12 Apr 20161 May 20255
Upstream Attlebridge30 Aug 202430 Aug 20241
Swanton Morley (Restoration Reach 14)11 Jul 201328 Aug 20243
Hempton Moor (Upstream Fakenham bypass) (reach 27)26 Jul 20128 Jul 20193
Upstream County School (reach 19)21 Sept 20095 Jul 20194
Downstream Fakenham Common (Reach 25)26 Jul 201322 Jul 20142
Gt. Ryburgh Common, New loop (Reach24)1 Sept 201122 Jul 20132
Gt Ryburgh End - New Channel Downstream6 Sept 20126 Sept 20121
Gt Ryburgh End - New channel Upstream5 Sept 20125 Sept 20121
Sculthorpe Moor (Downstream Sculthorpe Mill) (reach 28)13 Aug 201213 Aug 20121
Gt Ryburgh End - Downstream confluence to iron bridge23 Sept 201123 Sept 20111
Gt Ryburgh Common d/s meander5 Sept 20115 Sept 20111

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

2009–2025

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 838 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
13.8 cm
Median
18.9 cm
Upper quarter
23.2 cm
Largest
47 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (Restoration strategy)

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

Minnow Bullhead Dace Stone loach Gudgeon 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 →