Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River Wey South

Largest measured rainbow trout: 45 cm

The largest rainbow trout measured in Environment Agency surveys of the River Wey South was 45 cm, recorded at Lower Headley Wood Farm on 10 December 2002.

Across 21 measured rainbow trout, the median measured length was 20.1 cm.

Surveyors recorded weights for 2 rainbow trout. The median was 1 lb 4.1 oz (0.57 kg) and the largest recorded weight was 2 lb 0.5 oz (0.92 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 Wey South.

See rainbow trout records across England →

Most recent observation4 November 2009Hatch Farm · 1 fish

Largest measured rainbow trout: 45 cm
Median length: 20.1 cm
Fish measured: 21
Survey locations: 5

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
45 cm	10 Dec 2002	Lower Headley Wood Farm	73217
33 cm	4 Nov 2009	Hatch Farm	120780
32.7 cm	31 Oct 2002	Radford Park	72060
29.3 cm	31 Oct 2002	Radford Park	72060
29.3 cm	31 Oct 2002	Radford Park	72060
26.5 cm	31 Oct 2002	Radford Park	72060
26.2 cm	31 Oct 2002	Radford Park	72060
25.9 cm	26 Oct 1999	Hatch Farm	134912
25 cm	13 Jun 2002	Headley Wood Farm	51860
21.4 cm	31 Oct 2002	Radford Park	72060

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
Hatch Farm	26 Oct 1999	4 Nov 2009	2
Liphook	18 Nov 2003	18 Nov 2003	1
Lower Headley Wood Farm	10 Dec 2002	10 Dec 2002	1
Radford Park	31 Oct 2002	31 Oct 2002	1
Headley Wood Farm	13 Jun 2002	13 Jun 2002	1

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

1999–2009

Survey records by year

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

199

000

001

302

103

004

005

006

007

008

109

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest: 15.8 cm
Lower quarter: 17.3 cm
Median: 20.1 cm
Upper quarter: 26.5 cm
Largest: 45 cm

100–199 mm

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

Lightest: 7.8 oz (0.22 kg)
Lower quarter: 13.9 oz (0.395 kg)
Median: 1 lb 4.1 oz (0.57 kg)
Upper quarter: 1 lb 10.3 oz (0.745 kg)
Heaviest: 2 lb 0.5 oz (0.92 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 Wey South

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

Brown / sea trout Bullhead Stone loach European eel Dace Chub

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 →