European eel · Anguilla anguilla

European eel in the Mere Brook

Largest measured european eel: 47.5 cm

The largest european eel measured in Environment Agency surveys of the Mere Brook was 47.5 cm, recorded at Tuck Mill on 18 July 2002.

Across 164 measured european eel, the median measured length was 21.8 cm.

Surveyors recorded weights for 155 european eel. The median was 0.5 oz (0.015 kg) and the largest recorded weight was 6.5 oz (0.184 kg).

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

See european eel records across England →

Most recent observation18 July 2002Tuck Mill · 137 fish

Largest measured european eel: 47.5 cm
Median length: 21.8 cm
Fish measured: 164
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
47.5 cm	18 Jul 2002	Tuck Mill	73424
47.1 cm	18 Jul 2002	Tuck Mill	73424
42.5 cm	18 Jul 2002	Tuck Mill	73424
41.7 cm	18 Jul 2002	Tuck Mill	73424
41.6 cm	18 Jul 2002	Tuck Mill	73424
37.4 cm	18 Jul 2002	Tuck Mill	73424
37.2 cm	18 Jul 2002	Tuck Mill	73424
36.6 cm	17 Jul 2002	Castle Mill, Hanley Castle	73425
36 cm	22 Jul 1998	Castle Mill, Hanley Castle	81871
35.9 cm	18 Jul 2002	Tuck Mill	73424

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
Tuck Mill	13 Jul 1998	18 Jul 2002	2
Castle Mill, Hanley Castle	17 Jun 1992	17 Jul 2002	3

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

1992–2002

Survey records by year

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

192

093

094

095

096

097

298

099

000

001

202

Fish measured by surveyors

Measured length distribution

See how the 164 measured fish were spread across different length ranges.

Smallest: 9.8 cm
Lower quarter: 16.4 cm
Median: 21.8 cm
Upper quarter: 27.7 cm
Largest: 47.5 cm

0–99 mm

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

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.2 oz (0.006 kg)
Median: 0.5 oz (0.015 kg)
Upper quarter: 1 oz (0.0295 kg)
Heaviest: 6.5 oz (0.184 kg)

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

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 →