European eel · Anguilla anguilla

European eel in the River Hayle

Largest measured european eel: 70.4 cm

The largest european eel measured in Environment Agency surveys of the River Hayle was 70.4 cm, recorded at d/s Rellubbus Bridge on 4 October 1977.

Across 449 measured european eel, the median measured length was 23 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 Hayle.

See european eel records across England →

Most recent observation11 June 2025u/s Binnerton Adit · 2 fish

Largest measured european eel: 70.4 cm
Median length: 23 cm
Fish measured: 449
Survey locations: 7

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
70.4 cm	4 Oct 1977	d/s Rellubbus Bridge	120880
60.1 cm	6 Oct 1983	Clowance-Drym	104288
59.9 cm	6 Oct 1983	Clowance-Drym	104288
56 cm	30 May 2017	St Erth	150505
55.8 cm	5 Oct 1983	St Erth	104286
54.3 cm	30 Sept 1977	u/s Binnerton Adit	120876
51.8 cm	10 Oct 1983	d/s Rellubbus Bridge	104291
51.4 cm	5 Oct 1977	Sunny Corner	120875
51 cm	5 Oct 1977	Sunny Corner	120875
50.9 cm	10 Oct 1983	d/s Rellubbus Bridge	104291

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
u/s Binnerton Adit	30 Sept 1977	11 Jun 2025	3
St Erth	5 Oct 1983	30 May 2017	6
d/s Rellubbus Bridge	4 Oct 1977	10 Jun 2010	8
Rellubbus	5 Sept 2002	5 Sept 2003	2
River Valley	29 Sept 1977	4 Sept 2003	5
Sunny Corner	5 Oct 1977	12 Oct 1983	2
Clowance-Drym	5 Oct 1977	6 Oct 1983	2

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

1977–2025

Survey records by year

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

577

078

079

080

081

082

683

084

085

086

087

088

089

090

091

092

093

094

095

096

097

098

099

300

001

402

403

004

105

006

107

008

009

110

111

012

013

014

015

016

117

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 449 measured fish were spread across different length ranges.

Smallest: 7.1 cm
Lower quarter: 16 cm
Median: 23 cm
Upper quarter: 33.4 cm
Largest: 70.4 cm

0–99 mm

100–199 mm

148

200–299 mm

103

300–399 mm

124

400–499 mm

500–599 mm

600–699 mm

700–799 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hayle

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

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 →