European eel · Anguilla anguilla

European eel in the Marley Gap Brook

Largest measured european eel: 31.5 cm

The largest european eel measured in Environment Agency surveys of the Marley Gap Brook was 31.5 cm, recorded at Manchester Arms on 7 July 2016.

Across 16 measured european eel, the median measured length was 29.5 cm.

Surveyors recorded weights for 14 european eel. The median was 1.7 oz (0.0475 kg) and the largest recorded weight was 2.5 oz (0.071 kg).

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

See european eel records across England →

Most recent observation24 July 2025Manchester Arms · 2 fish

Largest measured european eel: 31.5 cm
Median length: 29.5 cm
Fish measured: 16
Survey locations: 3

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
31.5 cm	7 Jul 2016	Manchester Arms	148389
31.3 cm	2 Sept 2019	Manchester Arms	155585
31 cm	13 Jan 2010	Conger Lane	120977
31 cm	13 Jan 2010	Manchester Arms	120976
31 cm	13 Jan 2010	Paynes Way	120975
30.6 cm	7 Jul 2016	Manchester Arms	148389
30 cm	13 Jan 2010	Conger Lane	120977
30 cm	13 Jan 2010	Paynes Way	120975
29 cm	13 Jan 2010	Paynes Way	120975
28 cm	24 Jul 2025	Manchester Arms	177494

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
Manchester Arms	13 Jan 2010	24 Jul 2025	4
Paynes Way	13 Jan 2010	13 Jan 2010	1
Conger Lane	13 Jan 2010	13 Jan 2010	1

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

2010–2025

Survey records by year

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

310

011

012

013

014

015

116

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 16 measured fish were spread across different length ranges.

Smallest: 18 cm
Lower quarter: 26.7 cm
Median: 29.5 cm
Upper quarter: 31 cm
Largest: 31.5 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 14 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.4 oz (0.01 kg)
Lower quarter: 1.1 oz (0.03 kg)
Median: 1.7 oz (0.0475 kg)
Upper quarter: 2.3 oz (0.0648 kg)
Heaviest: 2.5 oz (0.071 kg)

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

More fish in this river

Explore the Marley Gap Brook

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

Chub Dace Gudgeon Perch Roach

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 →