European eel · Anguilla anguilla

European eel in the River Crowlas

Largest measured european eel: 37 cm

The largest european eel measured in Environment Agency surveys of the River Crowlas was 37 cm, recorded at Marazion on 2 June 2021.

Across 21 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 Crowlas.

See european eel records across England →

Most recent observation3 June 2021Nancledra · 2 fish

Largest measured european eel: 37 cm
Median length: 23 cm
Fish measured: 21
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
37 cm	2 Jun 2021	Marazion	160514
33 cm	17 May 2011	Cucurrian	126531
33 cm	17 May 2011	Cucurrian	126531
32 cm	3 Jun 2021	Nancledra	160512
32 cm	2 Jun 2021	Marazion	160514
32 cm	17 May 2011	Cucurrian	126531
31 cm	2 Jun 2021	Marazion	160514
30 cm	2 Jun 2021	Marazion	160514
29 cm	2 Jun 2021	Marazion	160514
29 cm	2 Jun 2021	Marazion	160514

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
Nancledra	23 Jun 1987	3 Jun 2021	2
Marazion	23 Jun 1987	2 Jun 2021	2
Cucurrian	9 Jun 1986	17 May 2011	3
Truthwall Mill	6 Jul 1987	6 Jul 1987	1
Amalebra	26 Jun 1987	26 Jun 1987	1
Chypons	25 Jun 1987	25 Jun 1987	1

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

1986–2021

Survey records by year

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

186

587

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

105

006

007

008

009

010

111

012

013

014

015

016

017

018

019

020

221

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest: 7 cm
Lower quarter: 16 cm
Median: 23 cm
Upper quarter: 32 cm
Largest: 37 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Crowlas

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 →