RiverFish

European eel · Anguilla anguilla

European eel in the River Gowy

Largest measured european eel: 80 cm

The largest european eel measured in Environment Agency surveys of the River Gowy was 80 cm, recorded at Go01 on 18 November 1998.

Across 1,474 measured european eel, the median measured length was 26.3 cm.

Surveyors recorded one individual weight: 1 lb 14.3 oz (0.86 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 Gowy.

See european eel records across England →

Most recent observation12 May 2026Gwgo25 · 9 fish
Largest measured european eel
80 cm
Median length
26.3 cm
Fish measured
1,474
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
80 cm18 Nov 1998Go01121334
70 cm2 May 2007Gwgo20105305
68 cm4 May 2006Gwgo2090735
68 cm15 Apr 2003Gwgo0575837
62 cm30 Apr 2009Gwgo20117307
60 cm13 May 2008Gwgo20111508
60 cm15 Apr 2003Gwgo0575837
59.4 cm15 Apr 2003Gwgo1075841
58 cm13 May 2008Gwgo15111475
58 cm11 Apr 2005Gwgo2084451

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
Gwgo2525 Apr 200212 May 20269
Gwgo109 Sept 199616 Apr 202615
Gwgo2023 Apr 200222 May 202412
Gwgo0626 May 199930 May 20223
Gwgo0510 Jul 199616 Jun 20109
Gwgo1523 Apr 20027 Jun 20108
Gwgo0226 Jul 199926 Jul 19991
Gwgo2322 Jul 199922 Jul 19991
Go1522 Jul 199922 Jul 19991
Go129 Sept 199622 Jul 19992
Go148 Jul 19998 Jul 19991
Go098 Jul 19998 Jul 19991
Go0726 May 199926 May 19991
Go0626 May 199926 May 19991
Go0127 Nov 199626 May 19993

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

1996–2026

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 1,474 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
20 cm
Median
26.3 cm
Upper quarter
32 cm
Largest
80 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
1 lb 14.3 oz (0.86 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 Gowy

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

Stone loach 3-spined stickleback Gudgeon Roach Bullhead 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 →