Ruffe · Gymnocephalus cernuus

Ruffe in the Main River Tone

Largest measured ruffe: 14.2 cm

The largest ruffe measured in Environment Agency surveys of the Main River Tone was 14.2 cm, recorded at Bathpool on 7 September 2017.

Across 251 measured ruffe, the median measured length was 7 cm.

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

See ruffe records across England →

Most recent observation5 September 2019Bathpool · 4 fish

Largest measured ruffe: 14.2 cm
Median length: 7 cm
Fish measured: 251
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
14.2 cm	7 Sept 2017	Bathpool	151505
12.1 cm	7 Sept 2007	Bathpool	107393
11.5 cm	25 Apr 2019	Newbridge	154431
10.5 cm	4 Sept 2014	Bathpool	142563
10.5 cm	26 Apr 2007	Newbridge	105936
10.2 cm	20 Apr 2010	Newbridge	121402
10 cm	12 May 2009	Newbridge	117289
10 cm	12 May 2009	Newbridge	117289
10 cm	26 Apr 2007	Newbridge	105936
9.8 cm	25 Apr 2019	Newbridge	154431

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
Bathpool	7 Sept 2007	5 Sept 2019	5
Newbridge	26 Apr 2007	25 Apr 2019	4

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

2007–2019

Survey records by year

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

207

008

109

210

011

012

013

114

015

016

117

018

219

Fish measured by surveyors

Measured length distribution

See how the 251 measured fish were spread across different length ranges.

Smallest: 4.9 cm
Lower quarter: 6 cm
Median: 7 cm
Upper quarter: 8.5 cm
Largest: 14.2 cm

0–99 mm

242

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow Atlantic salmon

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 →