RiverFish

Ruffe · Gymnocephalus cernuus

Ruffe in the River Nene

Largest measured ruffe: 14 cm

The largest ruffe measured in Environment Agency surveys of the River Nene was 14 cm, recorded at Downstream Oundle North Road Bridge on 28 July 1993.

Across 1,276 measured ruffe, the median measured length was 8.5 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 Nene.

See ruffe records across England →

Most recent observation22 June 2015Downstream Wansford Lock · 1 fish
Largest measured ruffe
14 cm
Median length
8.5 cm
Fish measured
1,276
Survey locations
37

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 cm28 Jul 1993Downstream Oundle North Road Bridge54063
14 cm22 Jun 1984Yarwell M/C108983
14 cm22 Jun 1984Yarwell M/C108983
14 cm22 Jun 1984Yarwell M/C108983
14 cm21 Jul 1983Cogenhoe Main Channel108988
13.8 cm21 Aug 1989Ferry Meadows54053
13.5 cm28 Jul 1993Downstream Oundle North Road Bridge54063
13.5 cm22 Jun 1989Downstream Clifford Hill lock54005
13.3 cm6 Sept 2012Upstream Ditchford Lock134895
13.3 cm21 Jul 1989Downstream Cotterstock54044

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
Downstream Wansford Lock19 Jul 198922 Jun 20153
Upstream Earl's Barton Lock25 Oct 201325 Oct 20131
Upstream Ditchford Lock7 Aug 19956 Sept 20122
Ailsworth BC 117 Jan 201217 Jan 20121
Downstream Oundle North Road Bridge20 Jul 19897 Jul 20106
Thrapston29 Jun 201029 Jun 20101
Ailsworth4 Aug 198916 Jun 20107
Irthlingborough Backchannel18 Sept 200918 Sept 20091
Stanground Back Channel15 Sept 198922 Jun 20096
Downstream Clifford Hill lock22 Jun 19892 Jul 20087
Downstream Irthlinborough15 Sept 200426 Jun 20085
Downstream Wadenhoe Lock24 Sept 200724 Sept 20071
Cogenhoe Back Channel24 May 200724 May 20071
Downstream Fotheringhay19 Jun 198427 Jun 20066
Yarwell M/C22 Jun 19841 Jun 20044
Stibbington25 Sept 19896 Aug 20032
Yarwell Mill Back Channel5 May 20035 Jun 20032
Ferry Meadows21 Aug 198930 Sept 20023
Cogenhoe Main Channel17 Sept 197917 Sept 20026
Billing Aquadrome8 May 19894 Oct 19952
Downstream White Mills4 Sept 19954 Sept 19951
Upstream Wellingborough10 Aug 199510 Aug 19951
Downstream Cotterstock21 Jul 198921 Jun 19953
Upstream Elton Lock20 Jun 199520 Jun 19951
Upstream Fotheringhay26 Jul 19939 Jun 19952
Bedford Gravels8 Aug 198925 May 19953
Fotheringhay9 Mar 19929 Mar 19921
Downstream Upper Ringstead12 Oct 198912 Oct 19891
Lilford Park10 Oct 198910 Oct 19891
Peterborough Embankment14 Sept 198914 Sept 19891
Upstream Milton Ferry1 Aug 19891 Aug 19891
Nassington27 Jul 198927 Jul 19891
Cogenhoe25 Jul 198925 Jul 19891
Upstream Elton Road Bridge14 Jul 198914 Jul 19891
Wellingborough Embankment12 May 198912 May 19891
Downstream Hardwater Lock3 May 19893 May 19891
White Mills Back Channel24 Apr 198924 Apr 19891

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

1979–2015

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 1,276 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
7 cm
Median
8.5 cm
Upper quarter
9.8 cm
Largest
14 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nene

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

Roach Perch Pike Gudgeon Chub Dace

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 →