Ruffe · Gymnocephalus cernuus

Ruffe in the Fodder Dyke

Largest measured ruffe: 14.8 cm

The largest ruffe measured in Environment Agency surveys of the Fodder Dyke was 14.8 cm, recorded at Hobhole Junction Upstream on 23 August 1990.

Across 856 measured ruffe, the median measured length was 7.3 cm.

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

See ruffe records across England →

Most recent observation27 June 1996Hobhole Junction Upstream · 207 fish
Largest measured ruffe
14.8 cm
Median length
7.3 cm
Fish measured
856
Survey locations
4

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
14.8 cm23 Aug 1990Hobhole Junction Upstream57819
13.6 cm23 Aug 1990Hobhole Junction Upstream57819
13.3 cm25 Jun 1996Risdale Farm57849
12.5 cm23 Aug 1990Hobhole Junction Upstream57819
11.7 cm23 Aug 1990Hobhole Junction Upstream57819
11.7 cm23 Aug 1990Hobhole Junction Upstream57819
11.3 cm27 Jun 1996Hobhole Junction Upstream57847
11.3 cm22 Jun 1993Risdale Farm57834
11.2 cm26 Jul 1990Risdale Farm57821
11.1 cm22 Jun 1993Risdale Farm57834

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
Hobhole Junction Upstream23 Aug 199027 Jun 19963
Orchard House Entrance30 Jun 199326 Jun 19962
Risdale Farm26 Jul 199025 Jun 19963
Wheatsheaf Pub New Leake21 Aug 199021 Aug 19901

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

1990–1996

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 856 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
6.7 cm
Median
7.3 cm
Upper quarter
8.2 cm
Largest
14.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Fodder Dyke

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

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 →