RiverFish

European eel · Anguilla anguilla

European eel in the River Dalch

Largest measured european eel: 40 cm

The largest european eel measured in Environment Agency surveys of the River Dalch was 40 cm, recorded at Calves Bridge (Sp) on 13 August 2018.

Across 10 measured european eel, the median measured length was 27.5 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 Dalch.

See european eel records across England →

Most recent observation1 August 2025Mill Barton Bridge (Sp) · 1 fish
Largest measured european eel
40 cm
Median length
27.5 cm
Fish measured
10
Survey locations
3

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
40 cm13 Aug 2018Calves Bridge (Sp)153258
34 cm19 Jun 2012Mill Barton Bridge (Sp)131556
33 cm13 Aug 2018Calves Bridge (Sp)153258
30.1 cm19 Jun 2012Calves Bridge (Sp)131557
30 cm19 Jun 2012Calves Bridge (Sp)131557
25 cm1 Aug 2025Mill Barton Bridge (Sp)178414
25 cm1 Aug 2025Calves Bridge (Sp)177696
23 cm19 Jun 2012Calves Bridge (Sp)131557
22 cm13 Aug 2018Calves Bridge (Sp)153258
15 cm13 Aug 2018Calves Bridge (Sp)153258

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
Mill Barton Bridge (Sp)5 Aug 19961 Aug 20255
Calves Bridge (Sp)5 Aug 19961 Aug 20256
Hele Lane (Sp)*5 Aug 19964 Aug 19992

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

1996–2025

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 10 measured fish were spread across different length ranges.

Smallest
15 cm
Lower quarter
23.5 cm
Median
27.5 cm
Upper quarter
32.3 cm
Largest
40 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dalch

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

Brown / sea trout Bullhead Minnow Stone loach Atlantic salmon

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 →