RiverFish

European eel · Anguilla anguilla

European eel in the River Lyd

Largest measured european eel: 65 cm

The largest european eel measured in Environment Agency surveys of the River Lyd was 65 cm, recorded at u/s Lydney on 20 July 1992.

Across 565 measured european eel, the median measured length was 27 cm.

Surveyors recorded weights for 65 european eel. The median was 0.4 oz (0.012 kg) and the largest recorded weight was 12.7 oz (0.36 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 Lyd.

See european eel records across England →

Most recent observation16 September 2025Downstream Weir, Next To Boating Lake · 10 fish
Largest measured european eel
65 cm
Median length
27 cm
Fish measured
565
Survey locations
15

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
65 cm20 Jul 1992u/s Lydney63680
62 cm20 Aug 2003u/s Lydney76717
60 cm20 Aug 2003u/s Lydney76717
60 cm20 Jul 1992u/s Lydney63680
58 cm21 Jul 1992u/s Whitecroft64820
56.5 cm15 Jul 2002u/s Lydney73418
55 cm17 Aug 2004u/s Lydney81297
55 cm25 Sept 2002u/s Parkend65464
55 cm17 Nov 1993d/s Parkend64880
55 cm21 Jul 1992u/s Whitecroft64820

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
Downstream Weir, Next To Boating Lake22 May 200816 Sept 20253
u/s Whitecroft9 Apr 19915 Sept 20247
u/s Lydney20 Jul 199218 Sept 201311
U/s Lydney G.S.17 Aug 200422 Jul 20132
D/s Lydney17 Aug 200417 Aug 20041
u/s Parkend9 Apr 199125 Sept 20024
u/s Cannop Ponds21 Jul 199225 Sept 20023
d/s Parkend21 Jul 199225 Sept 20025
Lydney Canal, Inner Basin27 May 200227 May 20021
Canal Upper Basin27 May 200227 May 20021
Upstream Wier at Lydney Boating Lake15 May 200215 May 20021
d/s Lydney. Railway bridge d/s to canal20 Jul 19929 Jun 19972
Lydney25 Jan 199414 Apr 19972
Parkend Playing Fields17 Oct 199217 Nov 19932
d/s Nochards21 Jul 199216 Oct 19922

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

1991–2025

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 565 measured fish were spread across different length ranges.

Smallest
8.5 cm
Lower quarter
19 cm
Median
27 cm
Upper quarter
34 cm
Largest
65 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 65 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.2 oz (0.006 kg)
Median
0.4 oz (0.012 kg)
Upper quarter
1.5 oz (0.042 kg)
Heaviest
12.7 oz (0.36 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 Lyd

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

Brown / sea trout Bullhead Roach Pike Dace Perch

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 →