RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Dalch

Largest measured stone loach: 11.9 cm

The largest stone loach measured in Environment Agency surveys of the River Dalch was 11.9 cm, recorded at Calves Bridge (Sp) on 13 August 2018.

Across 8 measured stone loach, the median measured length was 7.1 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 Dalch.

See stone loach records across England →

Most recent observation1 August 2025Mill Barton Bridge (Sp) · 1 fish
Largest measured stone loach
11.9 cm
Median length
7.1 cm
Fish measured
8
Survey locations
3

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
11.9 cm13 Aug 2018Calves Bridge (Sp)153258
10.4 cm13 Aug 2018Mill Barton Bridge (Sp)153259
10 cm13 Aug 2018Mill Barton Bridge (Sp)153259
7.2 cm13 Aug 2018Calves Bridge (Sp)153258
7 cm13 Aug 2018Calves Bridge (Sp)153258
6.7 cm13 Aug 2018Calves Bridge (Sp)153258
3.8 cm13 Aug 2018Calves Bridge (Sp)153258
2.8 cm13 Aug 2018Mill Barton Bridge (Sp)153259

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
Mill Barton Bridge (Sp)19 Jun 20121 Aug 20253
Calves Bridge (Sp)5 Aug 19961 Aug 20254
Hele Lane (Sp)*5 Aug 19964 Aug 19992

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

1996–2025

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 8 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
6 cm
Median
7.1 cm
Upper quarter
10.1 cm
Largest
11.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dalch

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

Brown / sea trout Bullhead European eel Minnow Atlantic salmon

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 →