RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Calder

Largest measured brown / sea trout: 33 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Calder was 33 cm, recorded at Oakenclough on 24 August 1999.

Across 191 measured brown / sea trout, the median measured length was 10.5 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 Calder.

See brown / sea trout records across England →

Most recent observation18 July 2022B6430 Bridge, Catterall · 2 fish
Largest measured brown / sea trout
33 cm
Median length
10.5 cm
Fish measured
191
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
33 cm24 Aug 1999Oakenclough114047
32 cm24 Aug 1999Oakenclough114047
31.5 cm24 Aug 1999B6430 Bridge, Catterall114050
30 cm24 Aug 1999Sandholme Bridge114049
29 cm15 Sept 1999Calder Vale114048
29 cm15 Sept 1999Calder Vale114048
28.5 cm15 Sept 1999Calder Vale114048
27.8 cm1 Sept 2005B6430 Bridge, Catterall87324
27.5 cm15 Sept 1999Calder Vale114048
26.3 cm17 Sept 2021Upstream U.U Intake160233

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
B6430 Bridge, Catterall24 Aug 199918 Jul 20225
Upstream U.U Intake17 Sept 202117 Sept 20211
Oakenclough24 Aug 199917 Sept 20212
Downstream U.U Intake17 Sept 202117 Sept 20211
Calder Vale15 Sept 199931 Aug 20215
Sandholme Bridge24 Aug 199924 Aug 19991

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

1999–2022

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 191 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
9 cm
Median
10.5 cm
Upper quarter
16.5 cm
Largest
33 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Calder

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

European eel Atlantic salmon

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 →