European eel · Anguilla anguilla

European eel in the Blackwater River

Largest measured european eel: 36.5 cm

The largest european eel measured in Environment Agency surveys of the Blackwater River was 36.5 cm, recorded at Buddlewall (Sp) on 26 May 2010.

Across 25 measured european eel, the median measured length was 24.5 cm.

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

See european eel records across England →

Most recent observation22 June 2021Beerhall Farm (Sp) · 2 fish

Largest measured european eel: 36.5 cm
Median length: 24.5 cm
Fish measured: 25
Survey locations: 2

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
36.5 cm	26 May 2010	Buddlewall (Sp)	121716
36 cm	29 Jun 2016	Buddlewall (Sp)	148331
35 cm	1 Jul 2016	Beerhall Farm (Sp)	148406
35 cm	29 Jun 2016	Buddlewall (Sp)	148331
35 cm	29 Jun 2016	Buddlewall (Sp)	148331
34.5 cm	22 Jun 2021	Beerhall Farm (Sp)	159895
32 cm	22 Jun 2021	Buddlewall (Sp)	159893
32 cm	29 Jun 2016	Buddlewall (Sp)	148331
30 cm	29 Jun 2016	Buddlewall (Sp)	148331
26 cm	1 Jul 2016	Beerhall Farm (Sp)	148406

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
Buddlewall (Sp)	24 Jul 1997	22 Jun 2021	8
Beerhall Farm (Sp)	24 Jul 1997	22 Jun 2021	6

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

1997–2021

Survey records by year

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

297

098

099

200

001

002

003

204

105

106

007

008

009

210

011

012

013

014

015

216

017

018

019

020

221

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest: 13 cm
Lower quarter: 18.5 cm
Median: 24.5 cm
Upper quarter: 32 cm
Largest: 36.5 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Blackwater River

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

Brown / sea trout Bullhead Stone loach Minnow

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 →