RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Laver

Largest measured brown / sea trout: 39.6 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Laver was 39.6 cm, recorded at R.Laver, Clotherholme Farm on 7 June 2007.

Across 1,300 measured brown / sea trout, the median measured length was 12.1 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 Laver.

See brown / sea trout records across England →

Most recent observation25 September 2025River Laver (Winskley) · 12 fish
Largest measured brown / sea trout
39.6 cm
Median length
12.1 cm
Fish measured
1,300
Survey locations
8

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
39.6 cm7 Jun 2007R.Laver, Clotherholme Farm105680
38.8 cm20 Aug 2015R.Laver, Clotherholme Farm150059
34.7 cm20 Aug 2015R.Laver, Clotherholme Farm150059
34.5 cm7 Jun 2007R.Laver, Clotherholme Farm105680
33.8 cm20 Aug 2015R.Laver, Clotherholme Farm150059
33 cm21 Sept 2015u/s Ripon FAS150056
33 cm21 Sept 2015d/s Ripon FAS150051
32.8 cm21 Sept 2015d/s Ripon FAS150051
32.3 cm20 Aug 2015R.Laver, Clotherholme Farm150059
31.5 cm17 Oct 2001River Laver (Winskley)62341

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
River Laver The Secret Garden29 Sept 202325 Sept 20252
River Laver (Winskley)17 Oct 200125 Sept 202518
River Laver, Laverton7 Jun 200722 Sept 20253
Carlesmoor Beck at Hedge Nook13 Jun 200722 Sept 20253
R.Laver, Clotherholme Farm7 Jun 200728 Aug 20243
u/s Ripon FAS2 Aug 201321 Sept 20152
d/s Ripon FAS2 Aug 201321 Sept 20152
R.Laver, Low Grantley13 Jun 200713 Jun 20071

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

2001–2025

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 1,300 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
7.1 cm
Median
12.1 cm
Upper quarter
17.5 cm
Largest
39.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Laver

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

Bullhead Grayling

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 →