RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Bier Beck

Largest measured brown / sea trout: 23.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Bier Beck was 23.5 cm, recorded at Holden Upstream Bridge on 12 August 2003.

Across 71 measured brown / sea trout, the median measured length was 8.2 cm.

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

See brown / sea trout records across England →

Most recent observation5 August 2014Holden Upstream Bridge · 16 fish
Largest measured brown / sea trout
23.5 cm
Median length
8.2 cm
Fish measured
71
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
23.5 cm12 Aug 2003Holden Upstream Bridge78338
19 cm8 Jul 1998Holden Upstream Bridge112244
17.8 cm12 Aug 2003Holden Upstream Bridge78338
17.2 cm12 Aug 2003Holden Upstream Bridge78338
17 cm12 Aug 2003Holden Upstream Bridge78338
16.2 cm12 Aug 2003Holden Upstream Bridge78338
15.5 cm12 Aug 2003Holden Upstream Bridge78338
14.5 cm12 Aug 2003Holden Upstream Bridge78338
12.9 cm11 Sept 2008Holden Upstream Bridge114427
12.4 cm11 Sept 2008Holden Upstream Bridge114427

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
Holden Upstream Bridge8 Jul 19985 Aug 20144
Bolton Mill Farm13 Aug 200313 Aug 20031

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

1998–2014

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 71 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
7.4 cm
Median
8.2 cm
Upper quarter
10.3 cm
Largest
23.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bier Beck

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

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 →