RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Billinghay Skirth

Largest measured ruffe: 11 cm

The largest ruffe measured in Environment Agency surveys of the River Billinghay Skirth was 11 cm, recorded at Outfall To Witham (Billinghay) on 22 July 2004.

Across 65 measured ruffe, the median measured length was 7.1 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 Billinghay Skirth.

See ruffe records across England →

Most recent observation3 June 2014Outfall To Witham (Billinghay) · 13 fish
Largest measured ruffe
11 cm
Median length
7.1 cm
Fish measured
65
Survey locations
2

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
11 cm22 Jul 2004Outfall To Witham (Billinghay)81430
10.7 cm4 Apr 1985Outfall To Witham (Billinghay)53060
10.6 cm4 Apr 1985Outfall To Witham (Billinghay)53060
10.3 cm4 Apr 1985Outfall To Witham (Billinghay)53060
10.3 cm4 Apr 1985Outfall To Witham (Billinghay)53060
10.1 cm4 Apr 1985Outfall To Witham (Billinghay)53060
10 cm4 Apr 1985Outfall To Witham (Billinghay)53060
9.6 cm4 Apr 1985Outfall To Witham (Billinghay)53060
9.5 cm4 Apr 1985Outfall To Witham (Billinghay)53060
9.5 cm4 Apr 1985Outfall To Witham (Billinghay)53060

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
Outfall To Witham (Billinghay)4 Apr 19853 Jun 20145
Billinghay Hurn9 Sept 199820 Jul 20002

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

1985–2014

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 65 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
5.8 cm
Median
7.1 cm
Upper quarter
9 cm
Largest
11 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Billinghay Skirth

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

Roach Perch Pike Gudgeon Common bream Silver bream

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 →