RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Seven

Largest measured brown / sea trout: 32.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Seven was 32.4 cm, recorded at R.Seven at Rosedale Abbey DERBT96 on 23 August 2018.

Across 1,610 measured brown / sea trout, the median measured length was 12.2 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 Seven.

See brown / sea trout records across England →

Most recent observation4 September 2024R.Seven at Rosedale Abbey DERBT96 · 50 fish
Largest measured brown / sea trout
32.4 cm
Median length
12.2 cm
Fish measured
1,610
Survey locations
6

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
32.4 cm23 Aug 2018R.Seven at Rosedale Abbey DERBT96153206
31.5 cm4 Sept 2024R.Seven at Normanby167266
31.4 cm27 Jun 2006R.Seven at Normanby102539
31 cm10 Aug 2011R.Seven at Barugh Bridge127960
29.7 cm30 Aug 2016R.Seven at Rosedale Abbey DERBT96149125
29.2 cm27 Jun 2006R.Seven at Sinnington102537
29 cm4 Oct 2007R.Seven at Normanby107140
28.9 cm27 Jun 2006R.Seven at Sinnington102537
28.7 cm27 Jun 2006R.Seven at Sinnington102537
28.3 cm13 Aug 2019R.Seven at Sinnington155159

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
R.Seven at Sinnington27 Jun 20064 Sept 20244
R.Seven at Rosedale Abbey DERBT9611 Sept 19974 Sept 202420
R.Seven at Normanby27 Jun 20064 Sept 20244
R.Seven at Barugh Bridge29 Jun 200618 Sept 20123
R.Seven at Low Askew27 Jun 20067 Sept 20123
R.Seven at Red House Fm4 Jul 20064 Jul 20061

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

1997–2024

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 1,610 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
6.9 cm
Median
12.2 cm
Upper quarter
16.3 cm
Largest
32.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Seven

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

Bullhead Stone loach European eel Grayling Minnow

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 →