European eel · Anguilla anguilla

European eel in the Trader/Maud Foster Drain

Largest measured european eel: 73.5 cm

The largest european eel measured in Environment Agency surveys of the Trader/Maud Foster Drain was 73.5 cm, recorded at Upstream Boston Golf Club on 4 June 2007.

Across 26 measured european eel, the median measured length was 46 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Trader/Maud Foster Drain.

See european eel records across England →

Most recent observation10 May 2016Horncastle Road · 3 fish

Largest measured european eel: 73.5 cm
Median length: 46 cm
Fish measured: 26
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
73.5 cm	4 Jun 2007	Upstream Boston Golf Club	105459
69.5 cm	12 Jul 2011	Trader Bank Sibsey	128403
67.5 cm	12 Jul 2011	Trader Bank Sibsey	128403
65 cm	19 Jun 2007	Windsor Bank Boston	105683
62.5 cm	8 May 2013	Upstream Boston Golf Club	136067
60.5 cm	14 Jun 2010	Windsor Bank Boston	124194
60 cm	19 Jun 2007	Windsor Bank Boston	105683
59.5 cm	12 Jul 2011	Trader Bank Sibsey	128403
56.5 cm	8 May 2013	Upstream Boston Golf Club	136067
56 cm	20 Jun 2008	Upstream Boston Golf Club	111522

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
Horncastle Road	5 Jun 1987	10 May 2016	5
Upstream Boston Golf Club	3 Jun 1987	8 May 2013	7
Trader Bank Sibsey	10 Jun 1987	7 May 2013	10
Windsor Bank Boston	11 Jun 1987	19 Jul 2011	8
Sibsey Fenside	9 Jun 1987	23 May 2000	4

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

1987–2016

Survey records by year

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

587

088

089

490

091

092

393

094

095

596

097

098

099

300

001

102

003

204

005

006

307

108

009

110

311

012

213

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 26 measured fish were spread across different length ranges.

Smallest: 16.5 cm
Lower quarter: 33.6 cm
Median: 46 cm
Upper quarter: 59.9 cm
Largest: 73.5 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 Trader/Maud Foster Drain

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

Common bream Roach Perch Pike Silver bream Ruffe

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 →