Ruffe · Gymnocephalus cernuus

Ruffe in the River Rother

Largest measured ruffe: 10.5 cm

The largest ruffe measured in Environment Agency surveys of the River Rother was 10.5 cm, recorded at Blackwall Bridge on 7 August 2007.

Across 20 measured ruffe, the median measured length was 8.3 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 Rother.

See ruffe records across England →

Most recent observation17 August 2016Blackwall Bridge · 2 fish

Largest measured ruffe: 10.5 cm
Median length: 8.3 cm
Fish measured: 20
Survey locations: 2

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
10.5 cm	7 Aug 2007	Blackwall Bridge	106393
10 cm	7 Aug 2007	Blackwall Bridge	106393
9.9 cm	7 Aug 2007	Blackwall Bridge	106393
9.7 cm	7 Aug 2007	Blackwall Bridge	106393
9.5 cm	7 Aug 2007	Blackwall Bridge	106393
9.4 cm	20 Jun 2010	Bodiam	122893
9.2 cm	7 Aug 2007	Blackwall Bridge	106393
9.2 cm	7 Aug 2007	Blackwall Bridge	106393
8.4 cm	7 Aug 2007	Blackwall Bridge	106393
8.4 cm	7 Aug 2007	Blackwall Bridge	106393

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
Blackwall Bridge	8 Oct 2004	17 Aug 2016	5
Bodiam	18 Jun 2008	20 Jun 2010	2

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

2004–2016

Survey records by year

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

104

005

006

107

108

109

110

011

012

113

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest: 3.4 cm
Lower quarter: 5.7 cm
Median: 8.3 cm
Upper quarter: 9.4 cm
Largest: 10.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rother

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

Roach Chub Perch Gudgeon European eel Pike

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 →