RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Muker Beck

Largest measured stone loach: 13.7 cm

The largest stone loach measured in Environment Agency surveys of the Muker Beck was 13.7 cm, recorded at Straw Beck West of Muker on 1 August 2011.

Across 28 measured stone loach, the median measured length was 11.3 cm.

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

See stone loach records across England →

Most recent observation4 September 2024Straw Beck West of Muker
Largest measured stone loach
13.7 cm
Median length
11.3 cm
Fish measured
28
Survey locations
1

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
13.7 cm1 Aug 2011Straw Beck West of Muker129179
13.4 cm2 Sept 2013Straw Beck West of Muker138475
13.1 cm22 Sept 2014Straw Beck West of Muker142945
13 cm10 Aug 2021Straw Beck West of Muker160256
12.9 cm1 Aug 2011Straw Beck West of Muker129179
12.7 cm2 Sept 2013Straw Beck West of Muker138475
12.7 cm1 Aug 2011Straw Beck West of Muker129179
12.6 cm1 Aug 2011Straw Beck West of Muker129179
12.2 cm10 Aug 2021Straw Beck West of Muker160256
12 cm10 Aug 2021Straw Beck West of Muker160256

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
Straw Beck West of Muker29 Aug 20024 Sept 202415

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

2002–2024

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 28 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
10.3 cm
Median
11.3 cm
Upper quarter
12.6 cm
Largest
13.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Muker Beck

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

Brown / sea trout Bullhead

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 →