RiverFish

European eel · Anguilla anguilla

European eel in the River Lostock

Largest measured european eel: 66 cm

The largest european eel measured in Environment Agency surveys of the River Lostock was 66 cm, recorded at Todd Lane South on 20 June 2003.

Across 1,068 measured european eel, the median measured length was 25.2 cm.

Surveyors recorded weights for 7 european eel. The median was 3.7 oz (0.105 kg) and the largest recorded weight was 10.6 oz (0.3 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 Lostock.

See european eel records across England →

Most recent observation5 July 2023Cowling lane · 26 fish
Largest measured european eel
66 cm
Median length
25.2 cm
Fish measured
1,068
Survey locations
23

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.

LengthSurvey dateSurvey locationSurvey ID
66 cm20 Jun 2003Todd Lane South77980
60 cm30 Aug 2006Cowling lane101169
60 cm23 Aug 2001Kem Mill Lane90174
56 cm24 Jul 1995Dunkirk Pub113120
55 cm6 Jul 2018Havelock Road152776
55 cm23 Aug 2001Sheep Hill Lane90009
55 cm21 Jun 2001Kem Mill Lane90171
55 cm10 Jul 1995Lower Copthurst113135
55 cm10 Jul 1995Cuerden Valley Park 1113129
54 cm10 Jul 1995Cuerden Valley Park113134

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 surveyedFirst recordedLast recordedVisits finding european eel
Cowling lane4 Aug 20055 Jul 20235
Mill Lane24 Mar 199525 Jul 20186
Below Farrington Weir27 Jul 199525 Jul 20182
Sheep Hill Lane10 Jul 199524 Jul 20189
Lower Copthurst10 Jul 199524 Jul 201810
Fowler Bridge24 Jul 199524 Jul 20182
Kem Mill Lane22 Jun 19996 Jul 20189
Havelock Road24 Jul 20006 Jul 201811
Todd Lane South13 Aug 199125 Jul 200610
Tudor Croft24 Jun 199918 Jun 20046
Sherdeley Road22 Jun 200118 Jun 20045
Cuerden Valley Park 110 Jul 199524 Jul 20002
Lostock Bridge Farm5 Apr 199519 Jul 20003
Above STW outfall4 Apr 199519 Jul 20003
Johnson House Farm31 Jul 199531 Jul 19951
500m Above Ulnes Walton Bridge5 Apr 199528 Jul 19952
Below STW outfall26 Jul 199526 Jul 19951
Wade Hall25 Jul 199525 Jul 19951
Ulnes Walton Bridge25 Jul 199525 Jul 19951
Lostock Bridge at Croston22 Mar 199525 Jul 19952
Earnshaw Bridge24 Jul 199524 Jul 19951
Dunkirk Pub24 Jul 199524 Jul 19951
Cuerden Valley Park10 Jul 199510 Jul 19951

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

1991–2023

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 1,068 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
20 cm
Median
25.3 cm
Upper quarter
31 cm
Largest
66 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 7 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
1.8 oz (0.05 kg)
Lower quarter
3.5 oz (0.1 kg)
Median
3.7 oz (0.105 kg)
Upper quarter
4.9 oz (0.14 kg)
Heaviest
10.6 oz (0.3 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 Lostock

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

Chub Roach Gudgeon Dace Perch 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 →