RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Rais Beck

Largest measured brown / sea trout: 29.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Rais Beck was 29.5 cm, recorded at Fawcett Mill, Rais Beck on 21 August 2013.

Across 375 measured brown / sea trout, the median measured length was 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 Rais Beck.

See brown / sea trout records across England →

Most recent observation3 September 2025Rais Gill Hall, Rais Beck · 16 fish
Largest measured brown / sea trout
29.5 cm
Median length
9 cm
Fish measured
375
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
29.5 cm21 Aug 2013Fawcett Mill, Rais Beck138228
26.9 cm21 Aug 2013Fawcett Mill, Rais Beck138228
26 cm21 Aug 2013Rais Gill Hall, Rais Beck138229
23.2 cm21 Aug 2013Rais Gill Hall, Rais Beck138229
22.8 cm18 Jul 2002Rais Gill Hall, Rais Beck73004
22.7 cm21 Aug 2013Fawcett Mill, Rais Beck138228
22.5 cm21 Aug 2013Rais Gill Hall, Rais Beck138229
22 cm29 Aug 1991Fawcett Mill, Rais Beck114940
21.5 cm22 Aug 2007Rais Gill Hall, Rais Beck106517
21.5 cm6 Aug 1997Rais Gill Hall, Rais Beck112486

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
Rais Gill Hall, Rais Beck29 Aug 19913 Sept 20258
Fawcett Mill, Rais Beck13 Aug 19828 Aug 202510

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

1982–2025

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 375 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
7.9 cm
Median
9 cm
Upper quarter
13.5 cm
Largest
29.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Rais Beck

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

Atlantic salmon European eel

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 →