RiverFish

European eel · Anguilla anguilla

European eel in the River Blyth

Largest measured european eel: 67 cm

The largest european eel measured in Environment Agency surveys of the River Blyth was 67 cm, recorded at River Blyth at Plessey Farm on 8 June 2022.

Across 365 measured european eel, the median measured length was 22.6 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 Blyth.

See european eel records across England →

Most recent observation24 July 2024River Blyth at Humford Mill · 31 fish
Largest measured european eel
67 cm
Median length
22.6 cm
Fish measured
365
Survey locations
9

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.

LengthSurvey dateSurvey locationSurvey ID
67 cm8 Jun 2022River Blyth at Plessey Farm161742
54 cm26 Jul 2013River Blyth at Humford Mill137455
51.7 cm2 Aug 2010River Blyth at Plessey Farm124809
48 cm6 Sept 2007River Blyth at Plessey Farm107235
47 cm26 Jul 2013River Blyth at Humford Mill137455
46 cm8 Jun 2022River Blyth at Plessey Farm161742
46 cm28 Jun 2016River Blyth at Humford Mill148313
43.5 cm28 Jun 2016River Blyth at Humford Mill148313
41.7 cm29 Jul 2010River Blyth at Thornyford125498
41.5 cm26 Jul 2013River Blyth at Bellasis Bridge137458

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 surveyedFirst recordedLast recordedVisits finding european eel
River Blyth at Plessey Farm6 Sept 200724 Jul 202410
River Blyth at Humford Mill17 Aug 200724 Jul 202410
River Blyth at Shilvington Bridge2 Aug 201223 Jul 20242
How Burn at Whiteside30 Jul 201210 Jul 20242
River Blyth at Thornyford29 Jul 201027 Jun 20162
River Blyth at Bellasis Bridge26 Jul 201326 Jul 20131
River Blyth at Stannington Bridge1 Aug 20121 Aug 20121
River Blyth at Howburn Bridge (WFD Site)4 Jul 20114 Jul 20111
East Trewick20 Oct 199320 Oct 19931

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

1993–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 365 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
15.5 cm
Median
22.6 cm
Upper quarter
30.5 cm
Largest
67 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blyth

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

Stone loach Brown / sea trout Minnow 3-spined stickleback Grayling Gudgeon

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 →