European eel · Anguilla anguilla

European eel in the River Cary

Largest measured european eel: 59 cm

The largest european eel measured in Environment Agency surveys of the River Cary was 59 cm, recorded at Somerton Door on 3 August 2006.

Across 56 measured european eel, the median measured length was 31 cm.

Surveyors recorded weights for 19 european eel. The median was 4.3 oz (0.123 kg) and the largest recorded weight was 15.8 oz (0.447 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 Cary.

See european eel records across England →

Most recent observation3 June 2025Somerton Door · 1 fish

Largest measured european eel: 59 cm
Median length: 31 cm
Fish measured: 56
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
59 cm	3 Aug 2006	Somerton Door	101749
53.5 cm	6 Sept 2007	Somerton Door	106911
51 cm	3 Aug 2006	Somerton Door	101749
50.5 cm	6 Sept 2007	Somerton Door	106911
48.5 cm	14 Aug 2014	Somerton Door	142245
48.5 cm	6 Sept 2007	Somerton Door	106911
48.1 cm	8 Oct 2003	Cradle Bridge	77358
44 cm	10 Apr 2019	D/s Somerton STW	154397
43.5 cm	3 Aug 2006	Somerton Door	101749
43 cm	1 Oct 2008	Somerton Door	115552

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
Somerton Door	3 Aug 2006	3 Jun 2025	8
Cary Bridge	30 Apr 2019	30 Apr 2019	1
D/s Somerton STW	10 Apr 2019	10 Apr 2019	1
Cradle Bridge	8 Oct 2003	30 Sept 2004	2

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

2003–2025

Survey records by year

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

103

104

005

106

107

108

009

010

111

012

013

114

015

016

017

018

319

020

021

122

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 56 measured fish were spread across different length ranges.

Smallest: 17 cm
Lower quarter: 28 cm
Median: 31 cm
Upper quarter: 39 cm
Largest: 59 cm

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 19 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.9 oz (0.026 kg)
Lower quarter: 2.3 oz (0.0645 kg)
Median: 4.3 oz (0.123 kg)
Upper quarter: 8.4 oz (0.2375 kg)
Heaviest: 15.8 oz (0.447 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 Cary

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

Roach 3-spined stickleback Minnow Pike Dace Gudgeon

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 →