Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the Main River Chew

Largest measured rainbow trout: 46.5 cm

The largest rainbow trout measured in Environment Agency surveys of the Main River Chew was 46.5 cm, recorded at Stanton Drew (Te) on 31 July 2008.

Across 240 measured rainbow trout, the median measured length was 11.8 cm.

Surveyors recorded weights for 198 rainbow trout. The median was 0.7 oz (0.019 kg) and the largest recorded weight was 2 lb 8.2 oz (1.14 kg).

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

See rainbow trout records across England →

Most recent observation21 July 2016Shrowl Bridge (Te) · 17 fish

Largest measured rainbow trout: 46.5 cm
Median length: 11.8 cm
Fish measured: 240
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
46.5 cm	31 Jul 2008	Stanton Drew (Te)	112218
43.7 cm	20 Jul 2004	Shrowl Bridge (Te)	80751
43 cm	12 Jul 2002	Shrowl Bridge (Te)	55190
41 cm	21 Aug 2012	Stanton Drew (Te)	133062
38.9 cm	26 Aug 2008	Pensford (Te)	113490
38.4 cm	30 Jun 2005	Shrowl Bridge (Te)	84940
38.3 cm	30 Jun 2005	Shrowl Bridge (Te)	84940
38.1 cm	10 Aug 2006	Stanton Drew (Te)	100827
38.1 cm	31 Aug 2005	Stanton Drew (Te)	85909
37.7 cm	8 Sept 2009	Stanton Drew (Te)	118852

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
Shrowl Bridge (Te)	12 Jul 2002	21 Jul 2016	7
Pensford (Te)	26 Aug 2008	6 Jul 2016	2
Stanton Drew (Te)	31 Aug 2005	23 Jul 2014	7
Coley	8 Oct 2013	8 Oct 2013	1

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

2002–2016

Survey records by year

Each bar shows how many survey visits recorded rainbow trout that year.

102

103

104

205

206

107

208

109

010

111

112

113

114

015

216

Fish measured by surveyors

Measured length distribution

See how the 240 measured fish were spread across different length ranges.

Smallest: 5.2 cm
Lower quarter: 9.8 cm
Median: 11.8 cm
Upper quarter: 24.5 cm
Largest: 46.5 cm

0–99 mm

100–199 mm

106

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

Lightest: 0.1 oz (0.003 kg)
Lower quarter: 0.4 oz (0.012 kg)
Median: 0.7 oz (0.019 kg)
Upper quarter: 1.5 oz (0.0418 kg)
Heaviest: 2 lb 8.2 oz (1.14 kg)

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

More fish in this river

Explore the Main River Chew

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

Bullhead Roach Minnow Stone loach Brown / sea trout 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 →