European eel · Anguilla anguilla

European eel in the River Aller

Largest measured european eel: 58 cm

The largest european eel measured in Environment Agency surveys of the River Aller was 58 cm, recorded at Holnicote House (Se-02) on 14 October 1992.

Across 196 measured european eel, the median measured length was 25.5 cm.

Surveyors recorded weights for 86 european eel. The median was 1.5 oz (0.042 kg) and the largest recorded weight was 11.9 oz (0.337 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 Aller.

See european eel records across England →

Most recent observation20 June 2012The Paddock · 19 fish

Largest measured european eel: 58 cm
Median length: 25.5 cm
Fish measured: 196
Survey locations: 4

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.

Length	Survey date	Survey location	Survey ID
58 cm	14 Oct 1992	Holnicote House (Se-02)	80142
52.5 cm	19 Oct 1992	Selworthy	80125
48.5 cm	14 Oct 1992	Holnicote House (Se-02)	80142
48 cm	14 Oct 1992	Holnicote House (Se-02)	80142
45 cm	14 Oct 1992	Holnicote House (Se-02)	80142
43 cm	14 Oct 1992	Holnicote House (Se-02)	80142
42.5 cm	20 Jun 2012	The Paddock	131589
41 cm	14 Oct 1992	Holnicote House (Se-02)	80142
39.5 cm	14 Oct 1992	Holnicote House (Se-02)	80142
38 cm	20 Jun 2012	The Paddock	131589

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 surveyed	First recorded	Last recorded	Visits finding european eel
The Paddock	20 Jun 2012	20 Jun 2012	1
Holnicote House (Se-02)	14 Oct 1992	19 Jun 2012	5
Holt	22 Oct 1992	22 Oct 1992	1
Selworthy	19 Oct 1992	19 Oct 1992	1

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

1992–2012

Survey records by year

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

392

093

094

095

096

097

098

099

000

001

102

003

004

005

106

007

008

009

110

011

212

Fish measured by surveyors

Measured length distribution

See how the 196 measured fish were spread across different length ranges.

Smallest: 9 cm
Lower quarter: 19.4 cm
Median: 25.5 cm
Upper quarter: 30.5 cm
Largest: 58 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 86 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 1 oz (0.027 kg)
Median: 1.5 oz (0.042 kg)
Upper quarter: 2.7 oz (0.0768 kg)
Heaviest: 11.9 oz (0.337 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 Aller

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

Brown / sea trout Bullhead

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 →