RiverFish

European eel · Anguilla anguilla

European eel in the River Knepp Castle

Largest measured european eel: 66 cm

The largest european eel measured in Environment Agency surveys of the River Knepp Castle was 66 cm, recorded at Upstream A24 Weir on 24 September 2009.

Across 7 measured european eel, the median measured length was 50 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 Knepp Castle.

See european eel records across England →

Most recent observation24 September 2009Downstream Capp's Bridge · 5 fish
Largest measured european eel
66 cm
Median length
50 cm
Fish measured
7
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
66 cm24 Sept 2009Upstream A24 Weir119613
60 cm24 Sept 2009Downstream Capp's Bridge119635
55 cm24 Sept 2009Downstream Capp's Bridge119635
50 cm24 Sept 2009Upstream A24 Weir119613
41 cm24 Sept 2009Downstream Capp's Bridge119635
40 cm24 Sept 2009Downstream Capp's Bridge119635
38 cm24 Sept 2009Downstream Capp's Bridge119635

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
Upstream A24 Weir24 Sept 200924 Sept 20091
Downstream Capp's Bridge24 Sept 200924 Sept 20091
Knepp Mill cottages11 Feb 199811 Feb 19981

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

1998–2009

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 7 measured fish were spread across different length ranges.

Smallest
38 cm
Lower quarter
40.5 cm
Median
50 cm
Upper quarter
57.5 cm
Largest
66 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Knepp Castle

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

Perch Pike Roach

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 →