RiverFish

European eel · Anguilla anguilla

European eel in the River Murk Esk

Largest measured european eel: 40 cm

The largest european eel measured in Environment Agency surveys of the River Murk Esk was 40 cm, recorded at 6.1.1 Murk Esk at Grosmont on 16 October 2017.

Across 5 measured european eel, the median measured length was 25 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 Murk Esk.

See european eel records across England →

Most recent observation8 October 2024Whinstone Cottages Riffle Site · 1 fish
Largest measured european eel
40 cm
Median length
25 cm
Fish measured
5
Survey locations
2

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
40 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
30 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
25 cm8 Oct 2024Whinstone Cottages Riffle Site167527
20 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
16 cm10 Oct 2023Whinstone Cottages Riffle Site164095

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
Whinstone Cottages Riffle Site10 Oct 20238 Oct 20242
6.1.1 Murk Esk at Grosmont16 Oct 200116 Oct 20173

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

2001–2024

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 5 measured fish were spread across different length ranges.

Smallest
16 cm
Lower quarter
20 cm
Median
25 cm
Upper quarter
30 cm
Largest
40 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Murk Esk

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

Atlantic salmon Brown / sea trout Stone loach

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 →