Brown / sea trout · Salmo trutta

Brown / sea trout in the St Johns Beck

Largest measured brown / sea trout: 14.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the St Johns Beck was 14.8 cm, recorded at 1555.20 Low Bridge End, St. John's Beck on 12 September 2024.

Across 83 measured brown / sea trout, the median measured length was 6.8 cm.

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

See brown / sea trout records across England →

Most recent observation14 July 20251555.20 Low Bridge End, St. John's Beck · 31 fish

Largest measured brown / sea trout: 14.8 cm
Median length: 6.8 cm
Fish measured: 83
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
14.8 cm	12 Sept 2024	1555.20 Low Bridge End, St. John's Beck	167090
14.5 cm	23 Jun 2023	1555.20 Low Bridge End, St. John's Beck	162549
12.5 cm	23 Jun 2023	1555.20 Low Bridge End, St. John's Beck	162549
12 cm	14 Jul 2025	1555.20 Low Bridge End, St. John's Beck	177391
11.5 cm	23 Jun 2023	1555.20 Low Bridge End, St. John's Beck	162549
10 cm	12 Sept 2024	1555.20 Low Bridge End, St. John's Beck	167090
10 cm	12 Sept 2024	1555.20 Low Bridge End, St. John's Beck	167090
9.8 cm	23 Jun 2023	1555.20 Low Bridge End, St. John's Beck	162549
9.8 cm	6 Jul 2021	1555.20 Low Bridge End, St. John's Beck	159977
9.5 cm	12 Sept 2024	1555.20 Low Bridge End, St. John's Beck	167090

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
1555.20 Low Bridge End, St. John's Beck	13 Sept 1995	14 Jul 2025	20
1555.05 Bridge End Farm	1 Aug 2013	1 Aug 2013	1
1555.10 Legburthwaite, St John's Beck	7 Sept 1999	9 Sept 2010	3
1555.50 Wanthwaite Bridge, St John's Beck	13 Sept 1999	8 Sept 2010	2
1555.40 Bridge House, St John's Beck	14 Sept 1999	8 Sept 2010	2
1555.30 Sosgill Bridge, St John's Beck	13 Sept 1999	8 Sept 2010	2
1555.60 Mirehouse, St John's Beck	14 Sept 1999	25 Aug 2010	2

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

1995–2025

Survey records by year

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

195

096

097

098

699

200

001

102

103

104

105

106

107

108

109

610

111

012

213

014

115

016

117

018

019

020

121

022

123

124

125

Fish measured by surveyors

Measured length distribution

See how the 83 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 6.3 cm
Median: 6.8 cm
Upper quarter: 7.7 cm
Largest: 14.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the St Johns 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 →