European eel · Anguilla anguilla

European eel in the River Duke of Northumberland

Largest measured european eel: 85 cm

The largest european eel measured in Environment Agency surveys of the River Duke of Northumberland was 85 cm, recorded at Hatton Road on 8 October 2024.

Across 51 measured european eel, the median measured length was 17.5 cm.

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

See european eel records across England →

Most recent observation10 October 2024Riverside Walk · 5 fish

Largest measured european eel: 85 cm
Median length: 17.5 cm
Fish measured: 51
Survey locations: 6

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
85 cm	8 Oct 2024	Hatton Road	168553
82.7 cm	15 Jun 2000	Moor Lane	103454
72.1 cm	6 Sept 2017	Harlequins	151601
67 cm	15 Jun 2000	Moor Lane	103454
66.2 cm	17 Sept 2019	Harlequins	155689
65.7 cm	4 Oct 2017	Mill Platt	151852
57.3 cm	4 Oct 2017	Mill Platt	151852
55 cm	25 May 2005	Riverside Walk	84799
51.3 cm	19 Oct 2023	Hatton Road	164453
50 cm	1 Nov 2010	Mill Platt	124837

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
Riverside Walk	25 May 2005	10 Oct 2024	5
Hatton Road	13 Oct 2016	8 Oct 2024	3
Harlequins	6 Sept 2017	17 Sept 2019	2
Twickenham	8 Oct 2018	8 Oct 2018	1
Mill Platt	6 Oct 2005	4 Oct 2017	3
Moor Lane	15 Jun 2000	15 Jun 2000	1

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

2000–2024

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

110

011

012

013

014

015

216

217

118

119

020

021

122

223

224

Fish measured by surveyors

Measured length distribution

See how the 51 measured fish were spread across different length ranges.

Smallest: 8.3 cm
Lower quarter: 10.8 cm
Median: 17.5 cm
Upper quarter: 36.8 cm
Largest: 85 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

700–799 mm

800–899 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Duke of Northumberland

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

Chub Gudgeon Roach Minnow Stone loach Dace

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 →