Stone loach · Barbatula barbatula

Stone loach in the Bevern Stream

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the Bevern Stream was 11.7 cm, recorded at Highbridge Lane Downstream bridge on 23 July 2007.

Across 279 measured stone loach, the median measured length was 8.2 cm.

Surveyors recorded weights for 206 stone loach. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.5 oz (0.013 kg).

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

See stone loach records across England →

Most recent observation6 August 2025Clappers Weir · 14 fish
Largest measured stone loach
11.7 cm
Median length
8.2 cm
Fish measured
279
Survey locations
6

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
11.7 cm23 Jul 2007Highbridge Lane Downstream bridge107262
11.5 cm4 Oct 2024Highbridge Lane Upstream bridge167559
11.4 cm5 Sept 2001Highbridge Lane Downstream bridge51920
11.2 cm17 Aug 2006Highbridge Lane Downstream bridge102313
11.2 cm16 Aug 2004Highbridge Lane Downstream bridge81348
11 cm6 Aug 2025Clappers Weir177815
11 cm6 Aug 2025Clappers Weir177815
11 cm26 Aug 2005Highbridge Lane Downstream bridge87579
10.9 cm4 Oct 2024Highbridge Lane Upstream bridge167559
10.9 cm4 Oct 2024Highbridge Lane Upstream bridge167559

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
Clappers Weir7 Sept 20016 Aug 202516
Highbridge Lane Upstream bridge11 Aug 20114 Oct 20246
Highbridge Lane Downstream bridge5 Sept 200130 Sept 20098
Bevern Bridge15 Aug 200315 Sept 20093
Brick works15 Aug 200315 Aug 20031
Plumpton Green8 Aug 20038 Aug 20031

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

2001–2025

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 279 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
6.5 cm
Median
8.2 cm
Upper quarter
9.2 cm
Largest
11.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 206 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.002 kg)
Median
0.1 oz (0.004 kg)
Upper quarter
0.2 oz (0.0068 kg)
Heaviest
0.5 oz (0.013 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Bevern Stream

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

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 →