European eel · Anguilla anguilla

European eel in the River Ingrebourne

Largest measured european eel: 77 cm

The largest european eel measured in Environment Agency surveys of the River Ingrebourne was 77 cm, recorded at Cockabourne Bridge on 25 May 2012.

Across 55 measured european eel, the median measured length was 44.7 cm.

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

See european eel records across England →

Most recent observation30 April 2024Hacton Lane · 1 fish

Largest measured european eel: 77 cm
Median length: 44.7 cm
Fish measured: 55
Survey locations: 5

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
77 cm	25 May 2012	Cockabourne Bridge	133911
74.5 cm	5 Jul 1996	Cockabourne Bridge	104007
72 cm	5 Jul 1996	Cockabourne Bridge	104007
72 cm	5 Jul 1996	Cockabourne Bridge	104007
71.2 cm	5 May 2016	Hacton Lane	148113
68.7 cm	11 Nov 2005	Upminster Golf Course	87684
68 cm	5 Jul 1996	Cockabourne Bridge	104007
61 cm	2 May 2000	Hacton Lane	103417
60 cm	25 Apr 1996	Upminster Golf Course	103462
56 cm	15 May 1996	Upstream Riverside STW	104006

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
Hacton Lane	16 Apr 1996	30 Apr 2024	6
Cockabourne Bridge	5 Jul 1996	25 May 2012	2
Squadrons Approach	18 Apr 1996	27 Mar 2012	2
Upminster Golf Course	25 Apr 1996	11 Nov 2005	4
Upstream Riverside STW	15 May 1996	15 May 1996	1

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

1996–2024

Survey records by year

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

596

097

098

099

300

001

002

003

004

205

006

007

008

009

010

011

212

013

014

015

116

017

018

019

020

021

022

123

124

Fish measured by surveyors

Measured length distribution

See how the 55 measured fish were spread across different length ranges.

Smallest: 13 cm
Lower quarter: 34.9 cm
Median: 44.7 cm
Upper quarter: 52.8 cm
Largest: 77 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

700–799 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ingrebourne

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

Chub Roach Dace Gudgeon Minnow Stone loach

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 →