European eel · Anguilla anguilla

European eel in the Tadnoll Brook

Largest measured european eel: 52.3 cm

The largest european eel measured in Environment Agency surveys of the Tadnoll Brook was 52.3 cm, recorded at Tadnoll meadows on 20 August 2009.

Across 440 measured european eel, the median measured length was 26 cm.

Surveyors recorded weights for 164 european eel. The median was 0.2 oz (0.0065 kg) and the largest recorded weight was 7.1 oz (0.202 kg).

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

See european eel records across England →

Most recent observation17 June 2025Broomhill eel · 13 fish

Largest measured european eel: 52.3 cm
Median length: 26 cm
Fish measured: 440
Survey locations: 6

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
52.3 cm	20 Aug 2009	Tadnoll meadows	118884
52 cm	1 Sept 2005	Broomhill eel	88289
50.9 cm	13 Sept 2011	Broomhill eel	127947
50 cm	20 Sept 2006	Broomhill eel	101857
49.5 cm	20 Sept 2006	Broomhill eel	101857
49.5 cm	1 Sept 2004	Broomhill eel	83113
49.2 cm	4 Oct 2007	Broomhill eel	108232
48.8 cm	4 Oct 2007	Broomhill eel	108232
47.4 cm	1 Sept 2005	Broomhill eel	88289
47.4 cm	1 Sept 2004	Broomhill eel	83113

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
Broomhill eel	1 Sept 2004	17 Jun 2025	14
Tadnoll Mill House	20 Jul 2021	20 Jul 2021	1
Cider Museum	13 Sept 2011	19 Oct 2015	2
Broomhill spatial (woods)	12 Sept 2005	29 Sept 2015	2
Tadnoll meadows	20 Aug 2009	1 Sept 2015	3
Tadnoll brook	1 Sept 2005	1 Sept 2015	2

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

2004–2025

Survey records by year

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

104

305

106

107

108

209

110

211

012

113

014

515

016

117

018

119

020

221

022

123

024

125

Fish measured by surveyors

Measured length distribution

See how the 440 measured fish were spread across different length ranges.

Smallest: 8.9 cm
Lower quarter: 16.8 cm
Median: 26 cm
Upper quarter: 33 cm
Largest: 52.3 cm

0–99 mm

100–199 mm

135

200–299 mm

123

300–399 mm

135

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

Lightest: 0 oz (0.0005 kg)
Lower quarter: 0.1 oz (0.002 kg)
Median: 0.2 oz (0.0065 kg)
Upper quarter: 1.1 oz (0.03 kg)
Heaviest: 7.1 oz (0.202 kg)

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

More fish in this river

Explore the Tadnoll Brook

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

Brown / sea trout Bullhead Minnow Stone loach Atlantic salmon Brook lamprey

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 →