Ruffe · Gymnocephalus cernuus

Ruffe in the River Cherwell

Largest measured ruffe: 12.5 cm

The largest ruffe measured in Environment Agency surveys of the River Cherwell was 12.5 cm, recorded at St Clements Stream on 31 August 2011.

Across 23 measured ruffe, the median measured length was 9.9 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 Cherwell.

See ruffe records across England →

Most recent observation13 June 2014Marston · 2 fish

Largest measured ruffe: 12.5 cm
Median length: 9.9 cm
Fish measured: 23
Survey locations: 8

Individual EA measurements

Largest measured ruffe

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
12.5 cm	31 Aug 2011	St Clements Stream	128521
12.5 cm	29 Oct 2005	Marston - Angling Match	87401
12 cm	28 May 2012	Shipton-on-Cherwell (Margin)	131418
11.5 cm	13 Jun 2014	Marston	141464
11.5 cm	31 Aug 2011	St Clements Stream	128521
11.4 cm	31 Aug 2011	St Clements Stream	128521
11 cm	13 Jun 2014	Marston	141464
10.5 cm	12 Oct 2003	Marston - Angling Match	78749
10.4 cm	11 Jun 2003	Somerton	76142
10.2 cm	12 Oct 2003	Marston - Angling Match	78749

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

Explore the river

Where ruffe were found

Each point marks a survey location with at least one ruffe 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 ruffe
Shipton-on-Cherwell (Margin)	28 May 2012	13 Jun 2014	2
Marston	9 Aug 2007	13 Jun 2014	2
St Clements Stream	31 Aug 2011	31 Aug 2011	1
Spiceball park	20 May 2009	20 May 2009	1
Cropedy	31 Aug 2006	31 Aug 2006	1
Marston - Angling Match	12 Oct 2003	29 Oct 2005	2
Somerton	11 Jun 2003	11 Jun 2003	1
Northbrook	24 Aug 2001	24 Aug 2001	1

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

2001–2014

Survey records by year

Each bar shows how many survey visits recorded ruffe that year.

101

002

203

004

105

106

107

008

109

010

111

112

013

214

Fish measured by surveyors

Measured length distribution

See how the 23 measured fish were spread across different length ranges.

Smallest: 6.7 cm
Lower quarter: 8.5 cm
Median: 9.9 cm
Upper quarter: 11.2 cm
Largest: 12.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cherwell

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

Roach Pike Perch Chub Dace 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 →