RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Murk Esk

Largest measured stone loach: 11.1 cm

The largest stone loach measured in Environment Agency surveys of the River Murk Esk was 11.1 cm, recorded at 6.1.1 Murk Esk at Grosmont on 16 October 2017.

Across 127 measured stone loach, the median measured length was 7.8 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 stone loach records across England →

Most recent observation7 October 2024Murk Esk at Grosmont Riffle Site
Largest measured stone loach
11.1 cm
Median length
7.8 cm
Fish measured
127
Survey locations
2

Individual EA measurements

Largest measured stone loach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
11.1 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
11.1 cm24 Aug 20116.1.1 Murk Esk at Grosmont128627
10.6 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
10.6 cm24 Aug 20116.1.1 Murk Esk at Grosmont128627
10.5 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
10.5 cm24 Aug 20116.1.1 Murk Esk at Grosmont128627
10.4 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
10.3 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
10 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012
9.9 cm16 Oct 20176.1.1 Murk Esk at Grosmont152012

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where stone loach were found

Each point marks a survey location with at least one stone loach 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 stone loach
Murk Esk at Grosmont Riffle Site10 Oct 20237 Oct 20242
6.1.1 Murk Esk at Grosmont16 Oct 200116 Oct 20175

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 stone loach that year.

Fish measured by surveyors

Measured length distribution

See how the 127 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
7.1 cm
Median
7.8 cm
Upper quarter
8.5 cm
Largest
11.1 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 European eel

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 →