European eel · Anguilla anguilla

European eel in the Waterloo Stream

Largest measured european eel: 36 cm

The largest european eel measured in Environment Agency surveys of the Waterloo Stream was 36 cm, recorded at Waterloo on 6 June 2023.

Across 60 measured european eel, the median measured length was 25.2 cm.

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

See european eel records across England →

Most recent observation6 June 2023Waterloo · 5 fish

Largest measured european eel: 36 cm
Median length: 25.2 cm
Fish measured: 60
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
36 cm	6 Jun 2023	Waterloo	162530
35.5 cm	6 Jun 2011	Waterloo	126560
35.5 cm	3 Jul 2009	Waterloo	118310
34.5 cm	3 Jul 2009	Waterloo	118310
33 cm	7 Jun 2017	Waterloo	150490
32 cm	3 Jul 2009	Waterloo	118310
31.5 cm	14 Jul 2000	Waterloo	103537
31 cm	7 Jun 2017	Waterloo	150490
31 cm	6 Jun 2011	Waterloo	126560
31 cm	3 Jul 2009	Waterloo	118310

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
Waterloo	24 Jun 1985	6 Jun 2023	11
u/s Lavethan Pass	20 Jun 1995	20 Jun 1995	1
d/s Lavethan Pass	20 Jun 1995	20 Jun 1995	1

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

1985–2023

Survey records by year

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

185

086

087

088

089

090

191

092

093

194

395

096

197

098

099

100

001

002

003

004

005

106

007

008

109

010

111

012

013

014

015

016

117

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 60 measured fish were spread across different length ranges.

Smallest: 11 cm
Lower quarter: 17.8 cm
Median: 25.2 cm
Upper quarter: 29 cm
Largest: 36 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Waterloo Stream

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

Brown / sea trout Atlantic salmon

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 →