RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Main Somerset Frome

Largest measured stone loach: 11.5 cm

The largest stone loach measured in Environment Agency surveys of the River Main Somerset Frome was 11.5 cm, recorded at Iron Mill Farm (Se-03) on 12 July 2010.

Across 141 measured stone loach, the median measured length was 6.9 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 Main Somerset Frome.

See stone loach records across England →

Most recent observation22 September 2025Tellisford, Depleted Reach
Largest measured stone loach
11.5 cm
Median length
6.9 cm
Fish measured
141
Survey locations
12

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
11.5 cm12 Jul 2010Iron Mill Farm (Se-03)122762
11.3 cm12 Jul 2010Iron Mill Farm (Se-03)122762
11 cm26 Jul 2010Bull's Bridge123156
10.7 cm2 Aug 2017Vernal Lodge151101
10.6 cm12 Jul 2010Iron Mill Farm (Se-03)122762
10 cm5 Oct 2017Welshmill151869
10 cm12 Jul 2010Iron Mill Farm (Se-03)122762
9.9 cm5 Oct 2017Welshmill151869
9.8 cm26 Jul 2010Bull's Bridge123156
9.5 cm2 Aug 2017Vernal Lodge151101

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
Tellisford, Depleted Reach19 Sept 201322 Sept 20252
Tellisford (Te06)3 Oct 200122 Sept 20257
Downstream Scutts Bridge (Te)27 Aug 200331 Jul 20196
Blatchbridge (Te)17 Aug 201024 Jul 20194
Snarlton Farm (Te)21 Aug 200323 Jul 20199
Welshmill27 Jul 20165 Oct 20172
Vernal Lodge27 Jul 20162 Aug 20172
Oldford Farm10 Aug 201610 Aug 20161
Longhouse Farm10 Aug 201610 Aug 20161
Creamery (Te)4 Sept 200318 Sept 20135
Bull's Bridge26 Jul 201026 Jul 20101
Iron Mill Farm (Se-03)4 Apr 200312 Jul 20102

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 141 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
5.6 cm
Median
6.9 cm
Upper quarter
7.7 cm
Largest
11.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Somerset Frome

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

Minnow Roach Bullhead 3-spined stickleback Chub Dace

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 →