European eel · Anguilla anguilla

European eel in the Sankey Brook

Largest measured european eel: 50 cm

The largest european eel measured in Environment Agency surveys of the Sankey Brook was 50 cm, recorded at Sasa05 on 22 June 2005.

Across 141 measured european eel, the median measured length was 21.9 cm.

Surveyors recorded weights for 2 european eel. The median was 1.8 oz (0.05 kg) and the largest recorded weight was 2.8 oz (0.08 kg).

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

See european eel records across England →

Most recent observation14 May 2026Sasa03 · 39 fish

Largest measured european eel: 50 cm
Median length: 21.9 cm
Fish measured: 141
Survey locations: 4

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
50 cm	22 Jun 2005	Sasa05	85994
42 cm	25 May 2023	Sasa10	162376
39.8 cm	25 Apr 2023	Sasa05	162370
39 cm	24 Mar 2011	Sasa03	127073
38.5 cm	25 May 2023	Sasa10	162376
35 cm	1 Sept 2005	Sasa10	88119
34.4 cm	24 Mar 2011	Sasa03	127073
33.4 cm	25 May 2023	Sasa10	162376
33 cm	1 Sept 2005	Sasa10	88119
32.8 cm	14 May 2026	Sasa03	181432

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
Sasa03	24 Mar 2011	14 May 2026	2
Sasa10	1 Sept 2005	25 May 2023	2
Sasa05	13 Jul 2000	25 Apr 2023	3
Sabl06	9 Oct 2013	9 Oct 2013	1

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

2000–2026

Survey records by year

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

100

001

002

003

004

205

006

007

008

009

010

111

012

113

014

015

016

017

018

019

020

021

022

223

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 141 measured fish were spread across different length ranges.

Smallest: 0.1 cm
Lower quarter: 16.7 cm
Median: 21.9 cm
Upper quarter: 28.4 cm
Largest: 50 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 2 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.7 oz (0.02 kg)
Lower quarter: 1.2 oz (0.035 kg)
Median: 1.8 oz (0.05 kg)
Upper quarter: 2.3 oz (0.065 kg)
Heaviest: 2.8 oz (0.08 kg)

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

More fish in this river

Explore the Sankey Brook

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

Roach Gudgeon Chub Dace Perch

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 →