RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Monks Lode

Largest measured ruffe: 9.4 cm

The largest ruffe measured in Environment Agency surveys of the River Monks Lode was 9.4 cm, recorded at Charter House Farm on 6 June 2017.

Across 14 measured ruffe, the median measured length was 7.5 cm.

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

See ruffe records across England →

Most recent observation6 June 2017Charter House Farm · 1 fish
Largest measured ruffe
9.4 cm
Median length
7.5 cm
Fish measured
14
Survey locations
1

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
9.4 cm6 Jun 2017Charter House Farm150478
8.8 cm11 Jul 1991Charter House Farm29618
8.8 cm11 Jul 1991Charter House Farm29618
8.5 cm30 May 2006Charter House Farm90848
8.3 cm19 Jul 1994Charter House Farm29620
8 cm30 May 2006Charter House Farm90848
7.8 cm11 Jul 1991Charter House Farm29618
7.3 cm19 Jul 1994Charter House Farm29620
7.2 cm30 Jun 2011Charter House Farm126763
7 cm30 May 2006Charter House Farm90848

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
Charter House Farm11 Jul 19916 Jun 20175

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

1991–2017

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 14 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
6.9 cm
Median
7.6 cm
Upper quarter
8.5 cm
Largest
9.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Monks Lode

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

Perch Roach Rudd Tench Common bream 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 →