RiverFish

European eel · Anguilla anguilla

European eel in the Grizedale Brook

Largest measured european eel: 67.5 cm

The largest european eel measured in Environment Agency surveys of the Grizedale Brook was 67.5 cm, recorded at Hazelhead Lane Road Bridge on 19 September 1995.

Across 64 measured european eel, the median measured length was 31 cm.

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

See european eel records across England →

Most recent observation21 June 2023250m Upstream Road Bridge · 7 fish
Largest measured european eel
67.5 cm
Median length
31 cm
Fish measured
64
Survey locations
5

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
67.5 cm19 Sept 1995Hazelhead Lane Road Bridge114539
65 cm19 Sept 1995Hazelhead Lane Road Bridge114539
65 cm27 Apr 1994Road Bridge113922
55 cm27 Apr 1994Upstream Pedders Wood113916
50 cm19 Sept 1995250m Upstream Road Bridge114538
50 cm27 Apr 1994Road Bridge113922
47 cm6 Jun 2013250m Upstream Road Bridge136517
45 cm6 Jun 2013250m Upstream Road Bridge136517
45 cm13 Sept 1995Downstream Hazelhead Lane Bridge114540
43 cm6 Jun 2013250m Upstream Road Bridge136517

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
250m Upstream Road Bridge27 Apr 199421 Jun 20234
Road Bridge27 Apr 199424 Aug 19992
Hazelhead Lane Road Bridge27 Apr 199419 Sept 19952
Downstream Hazelhead Lane Bridge13 Sept 199513 Sept 19951
Upstream Pedders Wood27 Apr 199427 Apr 19941

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

1994–2023

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 64 measured fish were spread across different length ranges.

Smallest
9 cm
Lower quarter
22.5 cm
Median
31 cm
Upper quarter
38 cm
Largest
67.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Grizedale Brook

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

Brown / sea trout Atlantic salmon

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 →