RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Tidal Ant

Largest measured ruffe: 14 cm

The largest ruffe measured in Environment Agency surveys of the River Tidal Ant was 14 cm, recorded at Upstream Ludham Bridge on 13 July 2000.

Across 224 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 Tidal Ant.

See ruffe records across England →

Most recent observation22 August 2000Sutton Dyke · 12 fish
Largest measured ruffe
14 cm
Median length
5.8 cm
Fish measured
224
Survey locations
6

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 cm13 Jul 2000Upstream Ludham Bridge18755
13.5 cm13 Jul 2000Upstream Ludham Bridge18755
11.6 cm9 Aug 2000Downstream Irstead Church18752
11.4 cm30 Jul 1996Johnson Street16709
10.8 cm3 Aug 2000Johnson Street18754
10.8 cm3 Aug 2000Johnson Street18754
10.8 cm13 Jul 2000Upstream Ludham Bridge18755
10.7 cm13 Jul 2000Upstream Ludham Bridge18755
10.5 cm13 Jul 2000Upstream Ludham Bridge18755
10.5 cm13 Jul 2000Upstream Ludham Bridge18755

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
Sutton Dyke31 Jul 199622 Aug 20002
Downstream Irstead Church30 Jul 19969 Aug 20002
Johnson Street30 Jul 19963 Aug 20002
How Hill3 Aug 20003 Aug 20001
Upstream Ludham Bridge13 Jul 200013 Jul 20001
Downstream Ludham Bridge30 Jul 199613 Jul 20002

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

1996–2000

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 224 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
4.6 cm
Median
5.8 cm
Upper quarter
8.2 cm
Largest
14 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tidal Ant

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

Perch Roach Common bream Flounder Gudgeon 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 →