European eel · Anguilla anguilla

European eel in the Tadburn Lake

Largest measured european eel: 70 cm

The largest european eel measured in Environment Agency surveys of the Tadburn Lake was 70 cm, recorded at Crampmoor Ford on 20 July 2018.

Across 19 measured european eel, the median measured length was 36.5 cm.

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

See european eel records across England →

Most recent observation18 September 2025Crampmoor Ford · 1 fish

Largest measured european eel: 70 cm
Median length: 36.5 cm
Fish measured: 19
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
70 cm	20 Jul 2018	Crampmoor Ford	153119
64 cm	18 Sept 2025	Crampmoor Ford	179663
60 cm	3 Apr 2012	Crampmoor Ford	131049
59 cm	3 Apr 2012	Crampmoor Ford	131049
47 cm	5 Apr 2012	Romsey bypass	131052
46 cm	5 Apr 2012	Romsey bypass	131052
42.5 cm	5 Apr 2012	Romsey bypass	131052
38.7 cm	3 Apr 2012	Ashdown Way	131050
37 cm	5 Apr 2012	Romsey bypass	131052
36.5 cm	5 Apr 2012	Romsey bypass	131052

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
Crampmoor Ford	3 Apr 2012	18 Sept 2025	4
Romsey bypass	5 Apr 2012	5 Apr 2012	1
Ashdown Way	6 Sept 2002	3 Apr 2012	5

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

2002–2025

Survey records by year

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

102

103

104

105

006

007

008

009

010

011

312

013

014

015

016

017

118

019

020

021

122

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 19 measured fish were spread across different length ranges.

Smallest: 17.2 cm
Lower quarter: 30.3 cm
Median: 36.5 cm
Upper quarter: 46.5 cm
Largest: 70 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 Tadburn Lake

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

Brown / sea trout Bullhead Stone loach 3-spined stickleback Topmouth gudgeon 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 →