Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River Coln

Largest measured rainbow trout: 51.6 cm

The largest rainbow trout measured in Environment Agency surveys of the River Coln was 51.6 cm, recorded at River Coln - Coneygar Farm on 29 April 2003.

Across 31 measured rainbow trout, the median measured length was 45.4 cm.

Surveyors recorded weights for 10 rainbow trout. The median was 1 lb 8.4 oz (0.692 kg) and the largest recorded weight was 4 lb 3.7 oz (1.92 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 Coln.

See rainbow trout records across England →

Most recent observation7 March 2008River Coln Netherton Bridge · 1 fish

Largest measured rainbow trout: 51.6 cm
Median length: 45.4 cm
Fish measured: 31
Survey locations: 2

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
51.6 cm	29 Apr 2003	River Coln - Coneygar Farm	78418
51.5 cm	25 Oct 2002	River Coln - Coneygar Farm	73269
50.9 cm	22 Oct 2003	River Coln - Coneygar Farm	78421
49.4 cm	3 Nov 2004	River Coln - Coneygar Farm	83115
48.5 cm	22 Oct 2003	River Coln - Coneygar Farm	78421
48 cm	3 Nov 2004	River Coln - Coneygar Farm	83115
48 cm	26 May 2004	River Coln - Coneygar Farm	83114
47.5 cm	26 May 2004	River Coln - Coneygar Farm	83114
47.2 cm	26 May 2004	River Coln - Coneygar Farm	83114
47 cm	26 May 2004	River Coln - Coneygar Farm	83114

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
River Coln Netherton Bridge	7 Mar 2008	7 Mar 2008	1
River Coln - Coneygar Farm	25 Oct 2002	3 Nov 2004	5

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

2002–2008

Survey records by year

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

102

203

204

005

006

007

108

Fish measured by surveyors

Measured length distribution

See how the 31 measured fish were spread across different length ranges.

Smallest: 15.5 cm
Lower quarter: 37.7 cm
Median: 45.4 cm
Upper quarter: 47.4 cm
Largest: 51.6 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 10 rainbow trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 4.4 oz (0.124 kg)
Lower quarter: 14 oz (0.3968 kg)
Median: 1 lb 8.4 oz (0.692 kg)
Upper quarter: 2 lb 9.9 oz (1.19 kg)
Heaviest: 4 lb 3.7 oz (1.92 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 Coln

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

Brown / sea trout Grayling Perch 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 →