European eel · Anguilla anguilla

European eel in the Layer Brook

Largest measured european eel: 51 cm

The largest european eel measured in Environment Agency surveys of the Layer Brook was 51 cm, recorded at Layer Brook Site on 10 November 2005.

Across 20 measured european eel, the median measured length was 42.9 cm.

Surveyors recorded weights for 20 european eel. The median was 4.7 oz (0.134 kg) and the largest recorded weight was 8.9 oz (0.252 kg).

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

See european eel records across England →

Most recent observation10 November 2005Layer Brook Site · 20 fish

Largest measured european eel: 51 cm
Median length: 42.9 cm
Fish measured: 20
Survey locations: 1

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
51 cm	10 Nov 2005	Layer Brook Site	88020
50.8 cm	10 Nov 2005	Layer Brook Site	88020
48 cm	10 Nov 2005	Layer Brook Site	88020
47.5 cm	10 Nov 2005	Layer Brook Site	88020
47.5 cm	10 Nov 2005	Layer Brook Site	88020
47 cm	10 Nov 2005	Layer Brook Site	88020
46.7 cm	10 Nov 2005	Layer Brook Site	88020
46.6 cm	10 Nov 2005	Layer Brook Site	88020
45.3 cm	10 Nov 2005	Layer Brook Site	88020
44 cm	10 Nov 2005	Layer Brook Site	88020

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
Layer Brook Site	8 Mar 1984	10 Nov 2005	7

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

1984–2005

Survey records by year

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

184

085

086

187

088

089

090

191

092

193

094

095

196

097

098

199

000

001

002

003

004

105

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest: 25 cm
Lower quarter: 38.2 cm
Median: 42.9 cm
Upper quarter: 47.1 cm
Largest: 51 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 20 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.8 oz (0.024 kg)
Lower quarter: 3.1 oz (0.088 kg)
Median: 4.7 oz (0.134 kg)
Upper quarter: 7 oz (0.198 kg)
Heaviest: 8.9 oz (0.252 kg)

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

More fish in this river

Explore the Layer Brook

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

Pike Roach

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 →