RiverFish

European eel · Anguilla anguilla

European eel in the River Nene

Largest measured european eel: 80 cm

The largest european eel measured in Environment Agency surveys of the River Nene was 80 cm, recorded at Castor Mill Channel on 12 October 2009.

Across 167 measured european eel, the median measured length was 47 cm.

Surveyors recorded weights for 3 european eel. The median was 1.8 oz (0.05 kg) and the largest recorded weight was 2 lb 8.2 oz (1.14 kg).

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 european eel records across England →

Most recent observation19 September 2018Alwalton Backchannel · 1 fish
Largest measured european eel
80 cm
Median length
47 cm
Fish measured
167
Survey locations
49

Individual EA measurements

Largest measured european eel

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
80 cm12 Oct 2009Castor Mill Channel119471
80 cm10 Jul 2007Downstream Irthlinborough106487
75 cm16 Oct 2013Wadenhoe Backchannel139736
75 cm16 Oct 2013Wadenhoe Backchannel139736
75 cm11 Jun 2007Yarwell Mill Back Channel105603
72.5 cm12 Oct 2009Castor Mill Channel119471
72 cm12 Oct 2009Castor Mill Channel119471
71 cm12 Oct 2009Castor Mill Channel119471
70.5 cm12 Oct 2009Castor Mill Channel119471
70 cm3 Jul 2008Downstream Oundle North Road Bridge111853

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel 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 european eel
Alwalton Backchannel22 Sept 200919 Sept 20182
Castor Mill Channel12 Oct 200918 Sept 20184
Yarwell Mill Back Channel9 Sept 198117 Sept 201817
Wadenhoe Backchannel21 Sept 200916 Oct 20132
Ailsworth BC 117 Jan 201225 Sept 20132
Ringstead Back Channel19 Sept 201319 Sept 20131
Ferry Meadows3 Jul 198423 Jun 20095
Barnwell Back Channel11 Jul 198911 Jun 20097
Downstream Oundle North Road Bridge28 Jul 19933 Jul 20083
Downstream Irthlinborough10 Jul 200710 Jul 20071
Downstream Harrowden Weir21 Apr 19954 May 20064
Fotheringhay15 Feb 198929 Jul 19983
Finedon Road Bridge5 Feb 199215 Jul 19983
Upstream Harrowden Weir9 Jul 19989 Jul 19981
Hardwater Back Channel8 Sept 19958 Sept 19951
Ditchford Back Channel6 Sept 198915 Aug 19952
Stanwick Back Channel4 Jul 198921 Jul 19952
Thorpe Channel3 Oct 198917 Jul 19952
Nassington Back Channel11 Jul 199511 Jul 19951
Thrapston3 Jul 19953 Jul 19951
Stanground Back Channel21 Jul 199331 May 19952
Wellingborough 21 May 19951 May 19951
Elton Back Channel23 Apr 199523 Apr 19951
Wollaston Back Channel5 May 198923 Sept 19932
Cogenhoe Back Channel6 Jul 198321 Sept 19933
Wellingborough Back Channel16 May 19896 Sept 19932
Burton Latimer10 Feb 199210 Feb 19921
Upstream Wickstead30 Jan 199230 Jan 19921
Lilford Upstream4 Oct 19894 Oct 19891
Peterborough Embankment14 Sept 198914 Sept 19891
Bedford Gravels8 Aug 19898 Aug 19891
Ailsworth4 Aug 19894 Aug 19891
Upstream Milton Ferry1 Aug 19891 Aug 19891
Nassington27 Jul 198927 Jul 19891
Denford Upstream Lock26 Jul 198926 Jul 19891
Downstream Cotterstock21 Jul 198921 Jul 19891
Downstream Wansford Lock19 Jul 198919 Jul 19891
Yarwell M/C22 Jun 198418 Jul 19892
Upstream Elton Road Bridge14 Jul 198914 Jul 19891
Downstream Fotheringhay19 Jun 198413 Jul 19892
Upstream Lower Barnwell Lock12 Jul 198912 Jul 19891
Downstream Stanwick5 Jul 19895 Jul 19891
Denford Side Channel3 Jul 19893 Jul 19891
Upstream Wollaston Lock24 May 198924 May 19891
Upstream Wellingborough17 May 198917 May 19891
Wellingborough Embankment12 May 198912 May 19891
Downstream Hardwater Lock3 May 19893 May 19891
Rushmills6 Apr 19896 Apr 19891
Downstream Warkton bridge26 Jan 198926 Jan 19891

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

1981–2018

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

Fish measured by surveyors

Measured length distribution

See how the 167 measured fish were spread across different length ranges.

Smallest
20 cm
Lower quarter
38 cm
Median
47 cm
Upper quarter
57 cm
Largest
80 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
1.8 oz (0.05 kg)
Lower quarter
1.8 oz (0.05 kg)
Median
1.8 oz (0.05 kg)
Upper quarter
1 lb 5 oz (0.595 kg)
Heaviest
2 lb 8.2 oz (1.14 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

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 →