Ruffe · Gymnocephalus cernuus

Ruffe in the Moretons Leam

Largest measured ruffe: 13 cm

The largest ruffe measured in Environment Agency surveys of the Moretons Leam was 13 cm, recorded at Rings End on 18 May 1995.

Across 211 measured ruffe, the median measured length was 6.5 cm.

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

See ruffe records across England →

Most recent observation28 May 2013Little Bridge · 1 fish

Largest measured ruffe: 13 cm
Median length: 6.5 cm
Fish measured: 211
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
13 cm	18 May 1995	Rings End	54169
13 cm	8 Jun 1989	Downstream Eldernell	54151
12.5 cm	29 Mar 1999	March Farmers	54175
12 cm	11 May 1992	March Farmers	54160
11 cm	26 Mar 1999	McCains	54171
11 cm	26 Mar 1999	McCains	54171
11 cm	16 May 1995	Little Bridge	54165
11 cm	12 Jun 1989	Upstream Rings End	54153
10.9 cm	28 May 2013	Little Bridge	137448
10.5 cm	26 Mar 1999	McCains	54171

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
Little Bridge	5 Jun 1989	28 May 2013	5
March Farmers	8 Jun 1989	31 May 2005	5
Upstream Eldernell	13 May 1992	12 Apr 1999	3
Rings End	9 Jun 1989	30 Mar 1999	4
Stanground	13 Jun 1986	29 Mar 1999	4
McCains	26 Mar 1999	26 Mar 1999	1
Downstream Eldernell	8 Jun 1989	13 May 1992	2
Upstream Rings End	12 Jun 1989	14 Apr 1992	2

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

1986–2013

Survey records by year

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

186

087

088

589

090

091

692

093

094

595

096

097

098

699

000

001

002

003

004

205

006

007

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 211 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 6 cm
Median: 6.5 cm
Upper quarter: 8.3 cm
Largest: 13 cm

0–99 mm

190

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Moretons Leam

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

Roach Perch Pike Common bream European eel Rudd

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 →