European eel · Anguilla anguilla

European eel in the Holly Water

Largest measured european eel: 41.3 cm

The largest european eel measured in Environment Agency surveys of the Holly Water was 41.3 cm, recorded at Hollymead Bridge (Sp) on 6 July 2023.

Across 3 measured european eel, the median measured length was 40 cm.

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

See european eel records across England →

Most recent observation6 July 2023Hollymead Bridge (Sp) · 2 fish

Largest measured european eel: 41.3 cm
Median length: 40 cm
Fish measured: 3
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
41.3 cm	6 Jul 2023	Hollymead Bridge (Sp)	162838
40 cm	10 Jun 2013	Yeo Cross (Sp)	137117
31.5 cm	6 Jul 2023	Hollymead Bridge (Sp)	162838

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
Hollymead Bridge (Sp)	28 May 1997	6 Jul 2023	3
Yeo Cross (Sp)	28 May 1997	10 Jun 2013	3
Heath Bridge (Sp)*	28 May 1997	28 May 1997	1

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

1997–2023

Survey records by year

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

397

098

099

200

001

002

003

004

005

006

007

008

009

010

011

012

113

014

015

016

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 3 measured fish were spread across different length ranges.

Smallest: 31.5 cm
Lower quarter: 35.8 cm
Median: 40 cm
Upper quarter: 40.7 cm
Largest: 41.3 cm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Holly Water

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 →