European eel · Anguilla anguilla

European eel in the River Heacham

Largest measured european eel: 64.8 cm

The largest european eel measured in Environment Agency surveys of the River Heacham was 64.8 cm, recorded at DS Heacham Weir (Eel Monitoring) on 10 June 2014.

Across 467 measured european eel, the median measured length was 31.4 cm.

Surveyors recorded weights for 466 european eel. The median was 2.1 oz (0.06 kg) and the largest recorded weight was 1 lb 1.6 oz (0.5 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 Heacham.

See european eel records across England →

Most recent observation9 February 2017Norfolk Lavender Mill · 2 fish

Largest measured european eel: 64.8 cm
Median length: 31.4 cm
Fish measured: 467
Survey locations: 8

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
64.8 cm	10 Jun 2014	DS Heacham Weir (Eel Monitoring)	141195
59.2 cm	4 Apr 2013	Sedgeford Carr	135803
56.3 cm	15 Mar 2011	US B1454 Road Bridge	125981
56 cm	17 Apr 2015	Sedgeford Carr	144561
55 cm	20 May 2009	DS Heacham Weir (Eel Monitoring)	117248
54.4 cm	4 Apr 2013	US B1454 Road Bridge	135802
53.8 cm	15 Mar 2011	US B1454 Road Bridge	125981
53 cm	16 Mar 2009	Norfolk Lavender Mill	117081
53 cm	23 Sept 2008	Eaton Farm	114937
51.5 cm	4 Apr 2013	Sedgeford Carr	135803

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
Norfolk Lavender Mill	7 Feb 1989	9 Feb 2017	6
US B1454 Road Bridge	15 Mar 2011	14 Apr 2016	5
Sedgeford Carr	4 Apr 2013	14 Apr 2016	4
DS Heacham Weir	26 May 2015	26 May 2015	1
DS Heacham Weir (Eel Monitoring)	19 May 2008	10 Jun 2014	5
Eaton Farm	23 Sept 2008	23 Sept 2008	1
Heacham Manor	8 Feb 1989	18 Apr 1996	3
North Beach	6 Feb 1989	15 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.

1989–2017

Survey records by year

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

389

090

091

392

093

094

095

396

097

098

099

000

001

002

003

004

005

006

007

208

209

110

111

112

213

414

315

216

117

Fish measured by surveyors

Measured length distribution

See how the 467 measured fish were spread across different length ranges.

Smallest: 12 cm
Lower quarter: 25 cm
Median: 31.4 cm
Upper quarter: 39.3 cm
Largest: 64.8 cm

100–199 mm

200–299 mm

155

300–399 mm

159

400–499 mm

500–599 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 466 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.003 kg)
Lower quarter: 1.3 oz (0.0382 kg)
Median: 2.1 oz (0.06 kg)
Upper quarter: 4.2 oz (0.1195 kg)
Heaviest: 1 lb 1.6 oz (0.5 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 Heacham

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

3-spined stickleback Brown / sea trout Flounder

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 →