Brown / sea trout · Salmo trutta

Brown / sea trout in the UCL surveys

Largest measured brown / sea trout: 30.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the UCL surveys was 30.9 cm, recorded at Shaded 2 on 15 June 2008.

Across 19 measured brown / sea trout, the median measured length was 6.1 cm.

Surveyors recorded weights for 19 brown / sea trout. The median was 0.1 oz (0.0029 kg) and the largest recorded weight was 13.1 oz (0.372 kg).

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

See brown / sea trout records across England →

Most recent observation16 June 2008Shaded 3 · 4 fish

Largest measured brown / sea trout: 30.9 cm
Median length: 6.1 cm
Fish measured: 19
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.

Length	Survey date	Survey location	Survey ID
30.9 cm	15 Jun 2008	Shaded 2	111898
18.8 cm	13 Jun 2008	Open 3	111896
7.7 cm	15 Jun 2008	Shaded 2	111898
7 cm	16 Jun 2008	Shaded 3	111899
6.5 cm	14 Jun 2008	Shaded 1	111897
6.5 cm	14 Jun 2008	Shaded 1	111897
6.4 cm	12 Jun 2008	Open 2	111895
6.3 cm	16 Jun 2008	Shaded 3	111899
6.1 cm	16 Jun 2008	Shaded 3	111899
6.1 cm	15 Jun 2008	Shaded 2	111898

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
Shaded 3	16 Jun 2008	16 Jun 2008	1
Shaded 2	15 Jun 2008	15 Jun 2008	1
Shaded 1	14 Jun 2008	14 Jun 2008	1
Open 3	13 Jun 2008	13 Jun 2008	1
Open 2	12 Jun 2008	12 Jun 2008	1
Open 1	10 Jun 2008	11 Jun 2008	2

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

2008–2008

Survey records by year

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

708

Fish measured by surveyors

Measured length distribution

See how the 19 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 5.5 cm
Median: 6.1 cm
Upper quarter: 6.5 cm
Largest: 30.9 cm

0–99 mm

100–199 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 19 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.0013 kg)
Lower quarter: 0.1 oz (0.0022 kg)
Median: 0.1 oz (0.0029 kg)
Upper quarter: 0.1 oz (0.004 kg)
Heaviest: 13.1 oz (0.372 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the UCL surveys

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

Bullhead Brook lamprey

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 →