RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Main River Waldon

Largest measured stone loach: 11.8 cm

The largest stone loach measured in Environment Agency surveys of the Main River Waldon was 11.8 cm, recorded at Sutcombe Mill (Te) on 3 July 2017.

Across 37 measured stone loach, the median measured length was 7.6 cm.

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

See stone loach records across England →

Most recent observation24 July 2024Sutcombe Mill (Te) · 36 fish
Largest measured stone loach
11.8 cm
Median length
7.6 cm
Fish measured
37
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
11.8 cm3 Jul 2017Sutcombe Mill (Te)150814
10.4 cm10 Jul 2017Thornbury Bridge (Sp)150828
10 cm16 Jul 2018Sutcombe Mill (Te)152910
9.7 cm16 Jul 2018Sutcombe Mill (Te)152910
9.7 cm1 Aug 2017Instaple (Sp)151147
9.6 cm16 Jul 2018Sutcombe Mill (Te)152910
9.6 cm16 Jul 2018Sutcombe Mill (Te)152910
9.5 cm11 Jul 2016Sutcombe Mill (Te)148440
9.1 cm16 Jul 2018Sutcombe Mill (Te)152910
9.1 cm16 Jul 2018Sutcombe Mill (Te)152910

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
Thornbury Bridge (Sp)18 Aug 199724 Jul 20245
Sutcombe Mill (Te)17 Aug 199824 Jul 202412
Instaple (Sp)11 Aug 19971 Aug 20173
Henscott Bridge (Sp)*27 Aug 199827 Aug 19981
Upstream Waldon Bridge (Sp)*12 Aug 199717 Aug 19982
Honnacott (Sp)11 Aug 199710 Aug 19982

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

1997–2024

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 37 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
6.6 cm
Median
7.6 cm
Upper quarter
9.1 cm
Largest
11.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Waldon

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

Brown / sea trout Bullhead Atlantic salmon Minnow European eel Gudgeon

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 →