European eel · Anguilla anguilla

European eel in the Belstead Brook

Largest measured european eel: 47.5 cm

The largest european eel measured in Environment Agency surveys of the Belstead Brook was 47.5 cm, recorded at Belstead House on 20 May 2004.

Across 57 measured european eel, the median measured length was 28.7 cm.

Surveyors recorded weights for 57 european eel. The median was 1.5 oz (0.042 kg) and the largest recorded weight was 6.4 oz (0.181 kg).

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

See european eel records across England →

Most recent observation21 May 2010Belstead House · 18 fish

Largest measured european eel: 47.5 cm
Median length: 28.7 cm
Fish measured: 57
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
47.5 cm	20 May 2004	Belstead House	84175
47.4 cm	21 May 2010	Belstead House	121731
45.2 cm	20 May 2004	Belstead House	84175
43 cm	20 May 2004	Belstead House	84175
43 cm	20 May 2004	Belstead House	84175
41.8 cm	20 May 2004	Belstead House	84175
40.2 cm	21 May 2010	Belstead House	121731
39.7 cm	20 May 2004	Belstead House	84175
39 cm	20 May 2004	Belstead House	84175
38.7 cm	20 May 2004	Belstead House	84175

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
Belstead House	29 Mar 1989	21 May 2010	5
Alder Carr	21 Mar 1994	3 Apr 1996	2
Water Works Bend (Belstead Brook)	28 Mar 1989	2 Apr 1996	3

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

1989–2010

Survey records by year

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

289

090

091

092

093

394

095

396

097

098

099

000

001

002

003

104

005

006

007

008

009

110

Fish measured by surveyors

Measured length distribution

See how the 57 measured fish were spread across different length ranges.

Smallest: 16.2 cm
Lower quarter: 24.6 cm
Median: 28.7 cm
Upper quarter: 35 cm
Largest: 47.5 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 57 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.8 oz (0.024 kg)
Median: 1.5 oz (0.042 kg)
Upper quarter: 2.9 oz (0.082 kg)
Heaviest: 6.4 oz (0.181 kg)

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

More fish in this river

Explore the Belstead Brook

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

Brown / sea trout Stone loach 3-spined stickleback

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 →