RiverFish

European eel · Anguilla anguilla

European eel in the River Ouse

Largest measured european eel: 66.6 cm

The largest european eel measured in Environment Agency surveys of the River Ouse was 66.6 cm, recorded at Sheffield Bridge on 29 August 2001.

Across 638 measured european eel, the median measured length was 42 cm.

Surveyors recorded weights for 337 european eel. The median was 5.9 oz (0.167 kg) and the largest recorded weight was 1 lb 8.5 oz (0.694 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 Ouse.

See european eel records across England →

Most recent observation14 August 2024Newick · 3 fish
Largest measured european eel
66.6 cm
Median length
42 cm
Fish measured
638
Survey locations
18

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
66.6 cm29 Aug 2001Sheffield Bridge63541
66 cm20 Oct 2010Fletching Mill Upstream124586
65 cm29 Sept 2015Fletching Mill Upstream146838
65 cm7 Sept 2011Isfield Church127791
65 cm16 Sept 2009Sheffield Bridge120194
64 cm27 Jun 2013Fletching Mill Upstream136966
63.5 cm13 Aug 2003Sheffield Bridge76696
62.1 cm14 Sept 2015Sheffield Bridge146662
61.2 cm9 Oct 2003Newick77437
61 cm27 Jun 2013Fletching Mill Upstream136966

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
Newick9 Oct 200314 Aug 202411
Sheffield Bridge29 Aug 200125 Jul 202415
Fletching Mill Upstream20 Sept 200925 Jul 20247
Sloop13 Aug 200124 Jul 202415
East Mascalls Bridge10 Aug 200124 Jul 202415
Isfield Church2 Oct 200327 Sept 20239
Slaugham26 Sept 200612 Sept 20182
Anchor Weir7 Sept 201129 Jun 20162
Upper Ryelands15 Aug 20011 Oct 20134
Upstream Lindfield Bridge24 Oct 201224 Oct 20121
Sutton Hall Weir Downstream26 Oct 201126 Oct 20111
Sloop Weir Upstream25 Oct 201125 Oct 20111
Sloop Weir Downstream25 Oct 201125 Oct 20111
Fletching Mill Downstream28 Oct 200920 Oct 20102
Sharpsbridge8 Aug 200229 Oct 20097
Avins Bridge9 Aug 20017 Sept 20077
Ardingly College6 Jul 199823 Sept 20032
Cherry lane11 Aug 200311 Aug 20031

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

1998–2024

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 638 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
33 cm
Median
42 cm
Upper quarter
49 cm
Largest
66.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 337 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.006 kg)
Lower quarter
3.2 oz (0.092 kg)
Median
5.9 oz (0.167 kg)
Upper quarter
9.4 oz (0.266 kg)
Heaviest
1 lb 8.5 oz (0.694 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 Ouse

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

Perch Roach Dace Gudgeon Stone loach Chub

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 →