European eel · Anguilla anguilla

European eel in the River Swarbourne

Largest measured european eel: 58.9 cm

The largest european eel measured in Environment Agency surveys of the River Swarbourne was 58.9 cm, recorded at Far Hoar Cross on 8 April 1997.

Across 6 measured european eel, the median measured length was 43 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 Swarbourne.

See european eel records across England →

Most recent observation9 April 1997Woodmill · 2 fish

Largest measured european eel: 58.9 cm
Median length: 43 cm
Fish measured: 6
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.

Length	Survey date	Survey location	Survey ID
58.9 cm	8 Apr 1997	Far Hoar Cross	5176
44.8 cm	9 Apr 1997	Woodmill	5174
43.2 cm	20 Jul 1993	Yoxall Nature Reserve	4938
42.7 cm	20 Jul 1993	Yoxall Nature Reserve	4938
38.1 cm	9 Apr 1997	Woodmill	5174
29 cm	20 Jul 1993	Yoxall Nature Reserve	4938

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 surveyed	First recorded	Last recorded	Visits finding european eel
Woodmill	9 Apr 1997	9 Apr 1997	1
Far Hoar Cross	8 Apr 1997	8 Apr 1997	1
Yoxall Nature Reserve	20 Jul 1993	20 Jul 1993	1

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

1993–1997

Survey records by year

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

193

094

095

096

297

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 29 cm
Lower quarter: 39.3 cm
Median: 43 cm
Upper quarter: 44.4 cm
Largest: 58.9 cm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swarbourne

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

Brown / sea trout

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 →