European eel · Anguilla anguilla

European eel in the Monksilver Stream

Largest measured european eel: 56 cm

The largest european eel measured in Environment Agency surveys of the Monksilver Stream was 56 cm, recorded at Downstream of Williton on 15 June 1999.

Across 154 measured european eel, the median measured length was 31 cm.

Surveyors recorded weights for 112 european eel. The median was 2.2 oz (0.0635 kg) and the largest recorded weight was 9.3 oz (0.264 kg).

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

See european eel records across England →

Most recent observation18 September 2019D/s Yarde · 20 fish

Largest measured european eel: 56 cm
Median length: 31 cm
Fish measured: 154
Survey locations: 5

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
56 cm	15 Jun 1999	Downstream of Williton	75941
50.5 cm	15 Jun 1999	Downstream of Williton	75941
47 cm	15 Jun 1999	Downstream of Williton	75941
46.5 cm	25 Oct 1994	Downstream Catwell House	79720
46 cm	15 Jun 1999	Downstream of Williton	75941
45.8 cm	8 Jun 1999	Orchard Wyndham	75921
45.5 cm	15 Jun 1999	Downstream of Williton	75941
45 cm	15 Jun 1999	Downstream of Williton	75941
45 cm	15 Jun 1999	Downstream of Williton	75941
45 cm	25 Oct 1994	Downstream Catwell House	79720

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
D/s Yarde	24 Apr 2013	18 Sept 2019	2
Downstream of Williton	15 Jun 1999	15 Jun 1999	1
Housepiece Copse	4 Oct 1994	11 Jun 1999	2
Orchard Wyndham	5 Oct 1994	8 Jun 1999	2
Downstream Catwell House	25 Oct 1994	25 Oct 1994	1

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

1994–2019

Survey records by year

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

394

095

096

097

098

399

000

001

002

003

004

005

006

007

008

009

010

011

012

113

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 154 measured fish were spread across different length ranges.

Smallest: 8.5 cm
Lower quarter: 23.5 cm
Median: 31 cm
Upper quarter: 37 cm
Largest: 56 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 112 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.006 kg)
Lower quarter: 1.4 oz (0.0395 kg)
Median: 2.2 oz (0.0635 kg)
Upper quarter: 3.5 oz (0.099 kg)
Heaviest: 9.3 oz (0.264 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Monksilver Stream

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

Brown / sea trout Bullhead Rainbow trout Stone loach

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 →