Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River Main Congresbury Yeo

Largest measured rainbow trout: 49 cm

The largest rainbow trout measured in Environment Agency surveys of the River Main Congresbury Yeo was 49 cm, recorded at Emley Lane d/s on 23 July 2013.

Across 20 measured rainbow trout, the median measured length was 37.1 cm.

Surveyors recorded weights for 19 rainbow trout. The median was 1 lb 7.6 oz (0.669 kg) and the largest recorded weight was 1 lb 12.7 oz (0.815 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 rainbow trout records across England →

Most recent observation23 July 2013Emley Lane d/s · 1 fish

Largest measured rainbow trout: 49 cm
Median length: 37.1 cm
Fish measured: 20
Survey locations: 4

Individual EA measurements

Largest measured rainbow 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
49 cm	23 Jul 2013	Emley Lane d/s	137350
39 cm	27 Aug 1999	Iwood Bridge	75869
39 cm	27 Aug 1999	Iwood Bridge	75869
39 cm	11 Aug 1994	Iwood Bridge	79704
38.9 cm	27 Aug 1999	Iwood Bridge	75869
38.7 cm	27 Aug 1999	Iwood Bridge	75869
38.1 cm	27 Aug 1999	Iwood Bridge	75869
38 cm	27 Aug 1999	Iwood Bridge	75869
37.3 cm	27 Aug 1999	Iwood Bridge	75869
37.1 cm	27 Aug 1999	Iwood Bridge	75869

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where rainbow trout were found

Each point marks a survey location with at least one rainbow 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 rainbow trout
Emley Lane d/s	23 Jul 2013	23 Jul 2013	1
Beam Bridge (Se-05)	26 Apr 2005	26 Apr 2005	1
Iwood Bridge	11 Aug 1994	27 Aug 1999	2
Emley Lane	28 Sept 1994	2 Jul 1999	2

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 rainbow trout that year.

294

095

096

097

098

299

000

001

002

003

004

105

006

007

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest: 27.8 cm
Lower quarter: 35.2 cm
Median: 37.1 cm
Upper quarter: 38.8 cm
Largest: 49 cm

200–299 mm

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 19 rainbow trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 8.8 oz (0.25 kg)
Lower quarter: 1 lb 4 oz (0.568 kg)
Median: 1 lb 7.6 oz (0.669 kg)
Upper quarter: 1 lb 9.3 oz (0.7185 kg)
Heaviest: 1 lb 12.7 oz (0.815 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 Brown / sea trout Bullhead Roach Gudgeon

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 →