European eel · Anguilla anguilla

European eel in the Dalby/Thornton Beck

Largest measured european eel: 41 cm

The largest european eel measured in Environment Agency surveys of the Dalby/Thornton Beck was 41 cm, recorded at Thornton beck US STW bridge on 23 September 2021.

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 Dalby/Thornton Beck.

See european eel records across England →

Most recent observation13 October 2021Thornton Beck Ellerburn · 1 fish

Largest measured european eel: 41 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 cm	23 Sept 2021	Thornton beck US STW bridge	160434
40 cm	13 Oct 2021	Thornton Beck Ellerburn	160427
23 cm	23 Sept 2021	Thornton beck US STW bridge	160434

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
Thornton Beck Ellerburn	13 Oct 2021	13 Oct 2021	1
Thornton beck US STW bridge	23 Sept 2021	23 Sept 2021	1
Thornton Beck at Top Bridge Fm	27 Jun 2006	27 Jun 2006	1

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

2006–2021

Survey records by year

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

106

007

008

009

010

011

012

013

014

015

016

017

018

019

020

221

Fish measured by surveyors

Measured length distribution

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

Smallest: 23 cm
Lower quarter: 31.5 cm
Median: 40 cm
Upper quarter: 40.5 cm
Largest: 41 cm

200–299 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Dalby/Thornton Beck

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

Bullhead Brown / sea trout 3-spined stickleback

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 →