RiverFish

European eel · Anguilla anguilla

European eel in the River Ely Ouse

Largest measured european eel: 90 cm

The largest european eel measured in Environment Agency surveys of the River Ely Ouse was 90 cm, recorded at Denver on 25 September 2003.

Across 21 measured european eel, the median measured length was 41 cm.

Surveyors recorded weights for 14 european eel. The median was 7.4 oz (0.21 kg) and the largest recorded weight was 1 lb 10.5 oz (0.75 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 Ely Ouse.

See european eel records across England →

Most recent observation4 October 2017Ten Mile Bank · 1 fish
Largest measured european eel
90 cm
Median length
41 cm
Fish measured
21
Survey locations
10

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
90 cm25 Sept 2003Denver77167
73 cm11 Sept 2006Queen Adelaide101650
70 cm22 Sept 2006Denver101513
59 cm11 Sept 2006Queen Adelaide101650
52 cm19 Sept 2006Ten Mile Bank101373
51 cm6 Sept 2005Sandhill Bridge85970
50 cm14 Jul 2008Ten Mile Bank111838
48 cm7 Sept 2006Little Thetford101203
42 cm14 Jul 2008Ten Mile Bank111838
42 cm8 Sept 2005Ten Mile Bank86046

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
Ten Mile Bank5 Sept 19904 Oct 20178
Denver16 Aug 199322 Sept 20064
Brandon Creek12 Aug 199318 Sept 20064
Branch Bridge18 Sept 199012 Sept 20064
Queen Adelaide8 Oct 198711 Sept 20066
Little Thetford19 Sept 19907 Sept 20065
Sandhill Bridge10 Sept 19906 Sept 20054
Wissey Outfall4 Sept 199016 Aug 20003
Ely High Bridge7 Oct 19873 Aug 20004
Plantation House12 Aug 199323 Aug 19962

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

1987–2017

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 21 measured fish were spread across different length ranges.

Smallest
12 cm
Lower quarter
30.5 cm
Median
41 cm
Upper quarter
51 cm
Largest
90 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 14 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.4 oz (0.01 kg)
Lower quarter
3.6 oz (0.1012 kg)
Median
7.4 oz (0.21 kg)
Upper quarter
13.9 oz (0.3932 kg)
Heaviest
1 lb 10.5 oz (0.75 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 Ely Ouse

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

Perch Roach Common bream Ruffe Pike Zander

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 →