RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Eshton Beck

Largest measured brown / sea trout: 44.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the Eshton Beck was 44.4 cm, recorded at d/s Flasby Beck on 5 June 2025.

Across 380 measured brown / sea trout, the median measured length was 14.7 cm.

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

See brown / sea trout records across England →

Most recent observation5 June 2025d/s Flasby Beck · 17 fish
Largest measured brown / sea trout
44.4 cm
Median length
14.7 cm
Fish measured
380
Survey locations
5

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
44.4 cm5 Jun 2025d/s Flasby Beck176750
43.7 cm13 Aug 2002St. Helen's Weir72068
40.7 cm29 Aug 2007d/s Flasby Beck121121
40.4 cm23 Aug 2006d/s Brockabank Bridge121103
39.6 cm15 Aug 2002Canal Feeder72064
39.4 cm27 Aug 2009d/s Flasby Beck121136
38.7 cm29 Aug 2007d/s Eshton Bridge (A65 Road Bridge)121118
37.8 cm15 Aug 2002Canal Feeder72064
35.7 cm27 Aug 2009d/s Flasby Beck121136
34.6 cm29 Aug 2007d/s Eshton Bridge (A65 Road Bridge)121118

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
d/s Flasby Beck23 Aug 20065 Jun 20256
d/s Brockabank Bridge23 Aug 200628 Aug 20145
St. Helen's Weir13 Aug 200228 Aug 20142
d/s Eshton Bridge (A65 Road Bridge)23 Aug 200627 Aug 20094
Canal Feeder15 Aug 200215 Aug 20021

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

2002–2025

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 380 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
9.4 cm
Median
14.7 cm
Upper quarter
18.8 cm
Largest
44.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eshton Beck

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

Bullhead Stone loach Minnow 3-spined stickleback

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 →