Ruffe · Gymnocephalus cernuus

Ruffe in the River R.Brant

Largest measured ruffe: 11.7 cm

The largest ruffe measured in Environment Agency surveys of the River R.Brant was 11.7 cm, recorded at Blackmoor Bridge on 29 April 2014.

Across 157 measured ruffe, the median measured length was 6.6 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 R.Brant.

See ruffe records across England →

Most recent observation29 April 2014Blackmoor Bridge · 46 fish

Largest measured ruffe: 11.7 cm
Median length: 6.6 cm
Fish measured: 157
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
11.7 cm	29 Apr 2014	Blackmoor Bridge	140920
11.6 cm	29 Apr 2014	Blackmoor Bridge	140920
11.6 cm	29 Apr 2014	Blackmoor Bridge	140920
11.6 cm	29 Apr 2014	Blackmoor Bridge	140920
11.6 cm	30 Apr 1991	Blackmoor Bridge	53214
11.4 cm	30 Apr 1991	Blackmoor Bridge	53214
11.3 cm	29 Apr 2014	Blackmoor Bridge	140920
11.2 cm	29 Apr 2014	Blackmoor Bridge	140920
11.2 cm	29 Apr 2014	Blackmoor Bridge	140920
11 cm	10 Jun 1988	Navenby Road Bridge	53112

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
Blackmoor Bridge	2 May 1985	29 Apr 2014	5
Navenby Road Bridge	10 Jun 1988	10 Jun 1988	1

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

1985–2014

Survey records by year

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

185

086

087

288

089

090

191

092

093

094

095

096

097

098

099

000

001

002

003

004

105

006

007

008

009

010

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 157 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 6.1 cm
Median: 6.6 cm
Upper quarter: 8.8 cm
Largest: 11.7 cm

0–99 mm

138

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Brant

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

Stone loach 3-spined stickleback Pike Roach Gudgeon Perch

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 →