Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River Ryburn

Largest measured rainbow trout: 27 cm

The largest rainbow trout measured in Environment Agency surveys of the River Ryburn was 27 cm, recorded at Ripponden (Hodgsons Chemicals) on 25 August 2006.

Across 247 measured rainbow trout, the median measured length was 8.5 cm.

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

See rainbow trout records across England →

Most recent observation16 September 2019Bar Lane (u/s Booth Dean Clough) (WR) · 4 fish

Largest measured rainbow trout: 27 cm
Median length: 8.5 cm
Fish measured: 247
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
27 cm	25 Aug 2006	Ripponden (Hodgsons Chemicals)	103573
24.3 cm	22 Sept 2017	Bar Lane (u/s Booth Dean Clough) (WR)	151744
24 cm	27 Sept 1990	Stones Mill	109623
23.3 cm	10 Aug 2015	Bar Lane (u/s Booth Dean Clough) (WR)	145907
22.8 cm	7 Sept 2009	Bar Lane (u/s Booth Dean Clough) (WR)	120003
22.5 cm	25 Aug 2006	Ripponden (Hodgsons Chemicals)	103573
22.5 cm	27 Sept 1990	DS Paper Mill	109622
22.3 cm	9 Sept 2012	Kebroyd	133330
21.9 cm	10 Aug 2015	Bar Lane (u/s Booth Dean Clough) (WR)	145907
21.6 cm	25 Aug 2006	Ripponden (Hodgsons Chemicals)	103573

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
Bar Lane (u/s Booth Dean Clough) (WR)	7 Sept 1999	16 Sept 2019	18
Kebroyd	9 Sept 2012	9 Sept 2012	1
Ripponden (Hodgsons Chemicals)	24 Aug 2000	25 Aug 2006	3
Stones Mill	27 Sept 1990	13 Sept 1995	2
DS Paper Mill	27 Sept 1990	13 Sept 1995	2

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

1990–2019

Survey records by year

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

290

091

092

093

094

295

096

097

098

199

200

001

102

203

104

105

206

107

108

109

110

211

212

113

014

115

016

117

018

119

Fish measured by surveyors

Measured length distribution

See how the 247 measured fish were spread across different length ranges.

Smallest: 3.4 cm
Lower quarter: 7.2 cm
Median: 8.5 cm
Upper quarter: 14.9 cm
Largest: 27 cm

0–99 mm

160

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ryburn

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

Brown / sea trout 3-spined stickleback Stone loach

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 →