European eel · Anguilla anguilla

European eel in the Mulley Brook

Largest measured european eel: 36 cm

The largest european eel measured in Environment Agency surveys of the Mulley Brook was 36 cm, recorded at Winswood (Sp)* on 15 August 2018.

Across 19 measured european eel, the median measured length was 20 cm.

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

See european eel records across England →

Most recent observation7 July 2025Mulley Brook Mill (Sp) · 9 fish

Largest measured european eel: 36 cm
Median length: 20 cm
Fish measured: 19
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 cm	15 Aug 2018	Winswood (Sp)*	153263
32 cm	7 Jul 2025	Mulley Brook Mill (Sp)	177694
29.5 cm	15 Aug 2018	Winswood (Sp)*	153263
27.5 cm	31 Jul 2012	Winswood (Sp)*	132543
26 cm	7 Jul 2025	Mulley Brook Mill (Sp)	177694
22.5 cm	15 Aug 2018	Winswood (Sp)*	153263
22 cm	7 Jul 2025	Mulley Brook Mill (Sp)	177694
22 cm	7 Jul 2025	Mulley Brook Mill (Sp)	177694
21 cm	15 Aug 2018	Winswood (Sp)*	153263
20 cm	7 Jul 2025	Mulley Brook Mill (Sp)	177694

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
Mulley Brook Mill (Sp)	7 Jul 2025	7 Jul 2025	1
Winswood (Sp)*	6 Aug 1996	15 Aug 2018	4

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

1996–2025

Survey records by year

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

196

097

098

099

000

001

002

003

004

105

006

007

008

009

010

011

112

013

014

015

016

017

118

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 19 measured fish were spread across different length ranges.

Smallest: 7.5 cm
Lower quarter: 14.3 cm
Median: 20 cm
Upper quarter: 24.3 cm
Largest: 36 cm

0–99 mm

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 Mulley Brook

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

Brown / sea trout Bullhead

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 →