Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Congresbury Yeo

Largest measured brown / sea trout: 48.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Congresbury Yeo was 48.5 cm, recorded at Iwood on 12 October 2006.

Across 499 measured brown / sea trout, the median measured length was 20.2 cm.

Surveyors recorded weights for 387 brown / sea trout. The median was 3.5 oz (0.1 kg) and the largest recorded weight was 2 lb 7.4 oz (1.12 kg).

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

See brown / sea trout records across England →

Most recent observation23 July 2013Beam Bridge (Se-05) · 55 fish

Largest measured brown / sea trout: 48.5 cm
Median length: 20.2 cm
Fish measured: 499
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
48.5 cm	12 Oct 2006	Iwood	101804
42.7 cm	11 Aug 1994	Iwood Bridge	79704
42.6 cm	21 Jul 1994	Below M5	79708
42.2 cm	11 Aug 1994	Iwood Bridge	79704
41 cm	10 Aug 2012	Iwood	132855
40.7 cm	11 Aug 1994	Iwood Bridge	79704
40.5 cm	12 Oct 2006	Iwood	101804
40 cm	11 Aug 1994	Iwood Bridge	79704
40 cm	11 Aug 1994	Iwood Bridge	79704
39.9 cm	11 Aug 1994	Iwood Bridge	79704

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
Emley Lane d/s	23 Jul 2013	23 Jul 2013	1
Beam Bridge (Se-05)	27 Jul 1994	23 Jul 2013	5
Iwood	12 Oct 2006	10 Aug 2012	2
Perry Bridge	17 Aug 1994	6 Oct 1999	2
Iwood Bridge	11 Aug 1994	27 Aug 1999	2
Emley Lane	28 Sept 1994	28 Sept 1994	1
Below M5	21 Jul 1994	21 Jul 1994	1

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

1994–2013

Survey records by year

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

594

095

096

097

098

399

000

001

002

003

004

105

106

007

008

009

010

011

212

213

Fish measured by surveyors

Measured length distribution

See how the 499 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 15.7 cm
Median: 20.2 cm
Upper quarter: 23.8 cm
Largest: 48.5 cm

0–99 mm

100–199 mm

207

200–299 mm

231

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 387 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 1.7 oz (0.049 kg)
Median: 3.5 oz (0.1 kg)
Upper quarter: 5.5 oz (0.155 kg)
Heaviest: 2 lb 7.4 oz (1.12 kg)

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

More fish in this river

Explore the River Main Congresbury Yeo

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

European eel Stone loach Bullhead Roach Gudgeon Pike

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 →