RiverFish

European eel · Anguilla anguilla

European eel in the River Main Wolf

Largest measured european eel: 51 cm

The largest european eel measured in Environment Agency surveys of the River Main Wolf was 51 cm, recorded at Rexon on 2 August 2023.

Across 748 measured european eel, the median measured length was 14 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 Main Wolf.

See european eel records across England →

Most recent observation16 September 2025Wolf Confluence · 2 fish
Largest measured european eel
51 cm
Median length
14 cm
Fish measured
748
Survey locations
15

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
51 cm2 Aug 2023Rexon163148
50 cm14 Jul 1997Cookworthy Trap105058
43 cm17 Aug 2004Rexon81501
43 cm29 Jul 2003Cookworthy Trap77311
41.7 cm14 Jul 1997Cookworthy Trap105058
41.5 cm15 Jul 1998Wolf Confluence105004
41.5 cm17 Jul 1997d/s Kellacott105064
41 cm16 Jul 1997Wolf Confluence105039
40.5 cm12 Jun 1996Broadwood105164
40 cm25 Aug 2015d/s Roadford Dam146086

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
Wolf Confluence23 Jul 199216 Sept 202529
Rexon17 Jul 199216 Sept 202528
Cookworthy Trap12 Aug 199330 Jun 202526
d/s Roadford Dam8 Sept 200510 Sept 20215
u/s Cookworthy Trap15 Jul 199220 Jun 200712
Lower Cookworthy Farm3 Aug 19936 Sept 200610
d/s Kellacott28 Jul 19941 Sept 200611
Broadwood27 Aug 199310 Aug 20005
d/s Slew Wood27 Aug 19938 Aug 20007
u/s Kellacott24 Jun 19961 Aug 19972
u/s Rexon6 Jun 199618 Jul 19972
u/s Slew Wood7 Jun 199617 Jul 19972
Steep Field12 Jun 199617 Jul 19972
Oxbow12 Jun 199617 Jul 19972
u/s Broadwood7 Jun 19967 Jun 19961

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

1992–2025

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 748 measured fish were spread across different length ranges.

Smallest
6 cm
Lower quarter
11 cm
Median
14 cm
Upper quarter
20 cm
Largest
51 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Wolf

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

Brown / sea trout Bullhead Minnow Atlantic salmon Stone loach Brook lamprey

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 →