RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Western Rother

Largest measured stone loach: 13 cm

The largest stone loach measured in Environment Agency surveys of the River Western Rother was 13 cm, recorded at Stanbridge on 11 June 2024.

Across 1,767 measured stone loach, the median measured length was 7.9 cm.

Surveyors recorded weights for 1,098 stone loach. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.6 oz (0.018 kg).

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

See stone loach records across England →

Most recent observation17 June 2026Woolbeding · 37 fish
Largest measured stone loach
13 cm
Median length
7.9 cm
Fish measured
1,767
Survey locations
13

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 cm11 Jun 2024Stanbridge167558
12.9 cm31 Jul 2025Stanbridge177655
12.2 cm20 Jul 2010Terwick Mill123796
12.2 cm25 Jun 2008Adhurst111607
12 cm11 Jun 2024Stanbridge167558
12 cm27 Jun 2005Stanbridge86709
12 cm13 Jul 2004Durford Bridge80587
11.8 cm28 Jul 2010Woolbeding123944
11.8 cm11 Jul 2007Habin Bridge106566
11.8 cm1 Jul 2005Terwick Mill86730

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
Woolbeding18 Jul 200217 Jun 202618
Terwick Mill18 Jul 200216 Jun 202623
Stanbridge16 Jul 200231 Jul 202522
Fittleworth Bridge24 Jul 200220 Jun 202414
Coultershaw24 Jul 200219 Jun 202414
Liss24 Jun 200318 Jul 20183
Stedham Mill Downstream15 Jul 201615 Jul 20161
Upstream Mizzards2 Sept 20142 Sept 20141
Durford Bridge17 Jul 20022 Sept 20147
Adhurst10 Jul 200325 Jun 20085
Cowdray Estate22 Jul 200217 Jul 20075
Habin Bridge17 Jul 200211 Jul 20076
Hardham24 Sept 200324 Sept 20031

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

2002–2026

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 1,767 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
6.9 cm
Median
7.9 cm
Upper quarter
9 cm
Largest
13 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,098 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 (0.003 kg)
Median
0.1 oz (0.004 kg)
Upper quarter
0.2 oz (0.006 kg)
Heaviest
0.6 oz (0.018 kg)

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

More fish in this river

Explore the River Western Rother

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

European eel Brown / sea trout Bullhead Minnow 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 →