European eel · Anguilla anguilla

European eel in the Sowy River

Largest measured european eel: 47 cm

The largest european eel measured in Environment Agency surveys of the Sowy River was 47 cm, recorded at Monksleaze Clyse (Te) on 9 July 2014.

Across 9 measured european eel, the median measured length was 21 cm.

Surveyors recorded weights for 3 european eel. The median was 0.6 oz (0.018 kg) and the largest recorded weight was 1 oz (0.029 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Sowy River.

See european eel records across England →

Most recent observation29 June 2017Monksleaze Clyse (Te) · 3 fish

Largest measured european eel: 47 cm
Median length: 21 cm
Fish measured: 9
Survey locations: 1

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
47 cm	9 Jul 2014	Monksleaze Clyse (Te)	141645
39 cm	29 Jun 2017	Monksleaze Clyse (Te)	150699
30 cm	29 Jun 2017	Monksleaze Clyse (Te)	150699
23 cm	6 Oct 2005	Monksleaze Clyse (Te)	86850
21 cm	6 Oct 2005	Monksleaze Clyse (Te)	86850
18 cm	23 Jun 2010	Monksleaze Clyse (Te)	122441
16 cm	6 Oct 2005	Monksleaze Clyse (Te)	86850
14 cm	29 Jun 2017	Monksleaze Clyse (Te)	150699
11 cm	6 Jul 2011	Monksleaze Clyse (Te)	126866

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
Monksleaze Clyse (Te)	6 Oct 2005	29 Jun 2017	5

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

2005–2017

Survey records by year

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

105

006

007

008

009

110

111

012

013

114

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest: 11 cm
Lower quarter: 16 cm
Median: 21 cm
Upper quarter: 30 cm
Largest: 47 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.007 kg)
Lower quarter: 0.4 oz (0.0125 kg)
Median: 0.6 oz (0.018 kg)
Upper quarter: 0.8 oz (0.0235 kg)
Heaviest: 1 oz (0.029 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Sowy River

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

Roach Perch Pike Chub Motherless minnow / Sunbleak Silver bream

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 →