European eel · Anguilla anguilla

European eel in the River Box (Headwaters)

Largest measured european eel: 59.5 cm

The largest european eel measured in Environment Agency surveys of the River Box (Headwaters) was 59.5 cm, recorded at Down Hall on 29 April 2004.

Across 4 measured european eel, the median measured length was 48.8 cm.

Surveyors recorded weights for 4 european eel. The median was 6.4 oz (0.182 kg) and the largest recorded weight was 13.1 oz (0.37 kg).

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

See european eel records across England →

Most recent observation29 April 2004Edwardstone Hall · 1 fish

Largest measured european eel: 59.5 cm
Median length: 48.8 cm
Fish measured: 4
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
59.5 cm	29 Apr 2004	Down Hall	84188
50 cm	29 Apr 2004	Down Hall	84188
47.5 cm	29 Apr 2004	Edwardstone Hall	84189
41.5 cm	29 Apr 2004	Down Hall	84188

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
Edwardstone Hall	4 Apr 1997	29 Apr 2004	2
Down Hall	11 Apr 1997	29 Apr 2004	2
Sherbourne House Farm	4 Apr 1997	4 Apr 1997	1

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

1997–2004

Survey records by year

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

397

098

099

000

001

002

003

204

Fish measured by surveyors

Measured length distribution

See how the 4 measured fish were spread across different length ranges.

Smallest: 41.5 cm
Lower quarter: 46 cm
Median: 48.8 cm
Upper quarter: 52.4 cm
Largest: 59.5 cm

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 4 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 3.4 oz (0.096 kg)
Lower quarter: 5.6 oz (0.1575 kg)
Median: 6.4 oz (0.182 kg)
Upper quarter: 8.2 oz (0.232 kg)
Heaviest: 13.1 oz (0.37 kg)

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

More fish in this river

Explore the River Box (Headwaters)

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

3-spined stickleback Stone loach Brown / sea trout

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 →