RiverFish

European eel · Anguilla anguilla

European eel in the River West Fen Catchwater

Largest measured european eel: 65 cm

The largest european eel measured in Environment Agency surveys of the River West Fen Catchwater was 65 cm, recorded at West Houses on 17 May 2012.

Across 20 measured european eel, the median measured length was 45 cm.

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

See european eel records across England →

Most recent observation3 May 2016Mareham-Le-Fen · 2 fish
Largest measured european eel
65 cm
Median length
45 cm
Fish measured
20
Survey locations
6

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
65 cm17 May 2012West Houses131260
58.5 cm19 Mar 2012Mareham-Le-Fen131250
57.5 cm19 Mar 2012Mareham-Le-Fen131250
56.5 cm1 May 2013Mareham-Le-Fen135980
56.5 cm19 Mar 2012Mareham-Le-Fen131250
51.5 cm1 May 2013Mareham-Le-Fen135980
50.5 cm1 May 2013Mareham-Le-Fen135980
50 cm19 Mar 2012Mareham-Le-Fen131250
48.5 cm1 May 2013Mareham-Le-Fen135980
46.5 cm1 May 2013Mareham-Le-Fen135980

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
Mareham-Le-Fen21 May 19873 May 20165
West Houses31 May 199017 May 20125
Hagnaby Lock5 Jun 199017 Jun 20023
Hall Lane Stickney4 Jun 199012 May 20002
Revesby Bridge7 May 198713 May 19964
Tumby Woodside14 Apr 19937 May 19962

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

1987–2016

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 20 measured fish were spread across different length ranges.

Smallest
20.5 cm
Lower quarter
37.6 cm
Median
45 cm
Upper quarter
52.8 cm
Largest
65 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River West Fen Catchwater

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

Pike Perch Roach Ruffe Gudgeon Tench

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 →