RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Trent

Largest measured ruffe: 13.5 cm

The largest ruffe measured in Environment Agency surveys of the River Trent was 13.5 cm, recorded at Wolseley Bridge on 22 August 1995.

Across 39 measured ruffe, the median measured length was 5.8 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 Trent.

See ruffe records across England →

Most recent observation4 October 2023North Clifton Net · 2 fish
Largest measured ruffe
13.5 cm
Median length
5.8 cm
Fish measured
39
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.

LengthSurvey dateSurvey locationSurvey ID
13.5 cm22 Aug 1995Wolseley Bridge4468
13.3 cm22 Aug 1995Wolseley Bridge4468
12.4 cm2 Jun 2009Burton - Newton Road117810
12 cm23 Jun 1993Wolseley Bridge4928
11.6 cm13 Aug 2007High Bridge106987
11 cm20 Sept 2016Farndon Net149318
10.8 cm31 Aug 2005Wolseley Bridge86003
9.9 cm28 Sept 2023Colwick Marina Net164157
9.5 cm6 Sept 2019Sawley Weir Net155298
8.8 cm1 Oct 2013Farndon Net139795

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 surveyedFirst recordedLast recordedVisits finding ruffe
North Clifton Net4 Oct 20234 Oct 20231
Colwick Marina Net19 Oct 201228 Sept 20234
Sawley Weir Net7 Oct 20116 Sept 20192
Farndon Net1 Oct 20139 Oct 20174
Stoke Bardolph Net14 Oct 201014 Oct 20101
Burton - Newton Road2 Jun 20092 Jun 20091
High Bridge13 Aug 200713 Aug 20071
Wolseley Bridge23 Jun 199331 Aug 20053

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

1993–2023

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 39 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
4.9 cm
Median
5.8 cm
Upper quarter
8.6 cm
Largest
13.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Trent

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

Chub Roach Dace Gudgeon Perch Minnow

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 →