European eel · Anguilla anguilla

European eel in the Alconbury Brook

Largest measured european eel: 50.8 cm

The largest european eel measured in Environment Agency surveys of the Alconbury Brook was 50.8 cm, recorded at Brampton Racecourse on 27 May 2015.

Across 50 measured european eel, the median measured length was 34.3 cm.

Surveyors recorded weights for 47 european eel. The median was 2.6 oz (0.075 kg) and the largest recorded weight was 13.4 oz (0.38 kg).

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

See european eel records across England →

Most recent observation27 May 2015Brampton Racecourse · 5 fish

Largest measured european eel: 50.8 cm
Median length: 34.3 cm
Fish measured: 50
Survey locations: 4

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
50.8 cm	27 May 2015	Brampton Racecourse	144787
50 cm	19 Apr 2006	Brampton Racecourse	90633
48.6 cm	4 Apr 2011	Brampton Racecourse	126058
47.8 cm	4 Apr 2011	Alconbury Village	126059
47.6 cm	4 Apr 2011	Alconbury Village	126059
46.5 cm	4 Apr 2011	Alconbury Village	126059
45.5 cm	4 Apr 2011	Brampton Racecourse	126058
44.7 cm	4 Apr 2011	Brampton Racecourse	126058
44.5 cm	4 Apr 2011	Brampton Racecourse	126058
43.6 cm	4 Apr 2011	Alconbury Village	126059

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
Brampton Racecourse	16 Oct 1989	27 May 2015	6
Alconbury Village	6 Oct 1989	22 May 2015	4
Hinchingbrooke	1 Nov 1989	12 Apr 2006	5
DS A1 Lay-by	3 Oct 1989	24 Jun 1998	3

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

1989–2015

Survey records by year

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

489

090

091

192

093

094

395

096

097

498

099

000

001

002

003

004

005

206

007

008

009

010

211

012

013

014

215

Fish measured by surveyors

Measured length distribution

See how the 50 measured fish were spread across different length ranges.

Smallest: 20.4 cm
Lower quarter: 27.3 cm
Median: 34.3 cm
Upper quarter: 38.9 cm
Largest: 50.8 cm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 47 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.5 oz (0.015 kg)
Lower quarter: 1.8 oz (0.0505 kg)
Median: 2.6 oz (0.075 kg)
Upper quarter: 4.4 oz (0.125 kg)
Heaviest: 13.4 oz (0.38 kg)

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

More fish in this river

Explore the Alconbury Brook

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

Pike Roach Perch Chub Dace Gudgeon

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 →