European eel · Anguilla anguilla

European eel in the Holland Brook (Headwaters)

Largest measured european eel: 44 cm

The largest european eel measured in Environment Agency surveys of the Holland Brook (Headwaters) was 44 cm, recorded at Little Bentley Hall on 19 February 2014.

Across 14 measured european eel, the median measured length was 30.7 cm.

Surveyors recorded weights for 14 european eel. The median was 2.1 oz (0.0585 kg) and the largest recorded weight was 5.4 oz (0.154 kg).

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

See european eel records across England →

Most recent observation19 February 2014Little Bentley Hall · 3 fish

Largest measured european eel: 44 cm
Median length: 30.7 cm
Fish measured: 14
Survey locations: 2

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
44 cm	19 Feb 2014	Little Bentley Hall	140514
36 cm	7 Feb 2007	Thorpe Road Nursery	104031
35.8 cm	7 Feb 2007	Thorpe Road Nursery	104031
33.7 cm	7 Feb 2007	Little Bentley Hall	104034
33.5 cm	7 Feb 2007	Thorpe Road Nursery	104031
32.8 cm	7 Feb 2007	Little Bentley Hall	104034
31.5 cm	7 Feb 2007	Thorpe Road Nursery	104031
29.9 cm	7 Feb 2007	Little Bentley Hall	104034
29.8 cm	19 Feb 2014	Little Bentley Hall	140514
27.7 cm	7 Feb 2007	Thorpe Road Nursery	104031

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
Little Bentley Hall	3 Apr 1997	19 Feb 2014	3
Thorpe Road Nursery	3 Apr 1997	7 Feb 2007	2

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

1997–2014

Survey records by year

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

297

098

099

000

001

002

003

004

005

006

207

008

009

010

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 14 measured fish were spread across different length ranges.

Smallest: 16.7 cm
Lower quarter: 24.6 cm
Median: 30.7 cm
Upper quarter: 33.7 cm
Largest: 44 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 14 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.4 oz (0.01 kg)
Lower quarter: 1.1 oz (0.03 kg)
Median: 2.1 oz (0.0585 kg)
Upper quarter: 3.1 oz (0.0865 kg)
Heaviest: 5.4 oz (0.154 kg)

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

More fish in this river

Explore the Holland Brook (Headwaters)

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

10-spined stickleback 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 →