Brown / sea trout · Salmo trutta

Brown / sea trout in the Liza Beck, River Cocker

Largest measured brown / sea trout: 16.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Liza Beck, River Cocker was 16.8 cm, recorded at 1634.90 US Beck House, Liza Beck on 12 July 2019.

Across 51 measured brown / sea trout, the median measured length was 12 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Liza Beck, River Cocker.

See brown / sea trout records across England →

Most recent observation14 July 20231635.60 Near Brackenthwaite, Liza Beck · 8 fish

Largest measured brown / sea trout: 16.8 cm
Median length: 12 cm
Fish measured: 51
Survey locations: 7

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.

Length	Survey date	Survey location	Survey ID
16.8 cm	12 Jul 2019	1634.90 US Beck House, Liza Beck	154927
16.7 cm	12 Jul 2019	1634.70 NT Lanthwaite Wood, Liza Beck	154928
16.7 cm	12 Jul 2019	1635.20 Near Pickett Howe, Liza Beck	154926
14.8 cm	12 Jul 2019	1634.70 NT Lanthwaite Wood, Liza Beck	154928
14.5 cm	12 Jul 2019	1634.90 US Beck House, Liza Beck	154927
14.4 cm	12 Jul 2019	1635.80 Woods DS high bridge, Liza Beck	154918
13.9 cm	12 Jul 2019	1634.90 US Beck House, Liza Beck	154927
13.9 cm	12 Jul 2019	1636.00 US low bridge, Liza Beck	154917
13.7 cm	12 Jul 2019	1634.90 US Beck House, Liza Beck	154927
13.2 cm	12 Jul 2019	1635.20 Near Pickett Howe, Liza Beck	154926

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
1635.60 Near Brackenthwaite, Liza Beck	17 Jul 2006	14 Jul 2023	6
1636.00 US low bridge, Liza Beck	12 Jul 2019	12 Jul 2019	1
1635.80 Woods DS high bridge, Liza Beck	12 Jul 2019	12 Jul 2019	1
1635.70 DS high bridge, Liza Beck	12 Jul 2019	12 Jul 2019	1
1635.20 Near Pickett Howe, Liza Beck	12 Jul 2019	12 Jul 2019	1
1634.90 US Beck House, Liza Beck	12 Jul 2019	12 Jul 2019	1
1634.70 NT Lanthwaite Wood, Liza Beck	12 Jul 2019	12 Jul 2019	1

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

2006–2023

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

106

007

008

009

110

011

012

113

014

015

116

117

018

619

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 51 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 7.7 cm
Median: 12 cm
Upper quarter: 13 cm
Largest: 16.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

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 →