RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Thame

Largest measured stone loach: 11.8 cm

The largest stone loach measured in Environment Agency surveys of the River Thame was 11.8 cm, recorded at Kingsey Cuttle Brook on 7 September 2010.

Across 5 measured stone loach, the median measured length was 11.1 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 Thame.

See stone loach records across England →

Most recent observation18 September 2025D/s Bear Brook
Largest measured stone loach
11.8 cm
Median length
11.1 cm
Fish measured
5
Survey locations
15

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 cm7 Sept 2010Kingsey Cuttle Brook125269
11.6 cm7 Sept 2010Kingsey Cuttle Brook125269
11.1 cm7 Sept 2010Kingsey Cuttle Brook125269
10.9 cm7 Sept 2010Kingsey Cuttle Brook125269
10.1 cm7 Sept 2010Kingsey Cuttle Brook125269

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
D/s Bear Brook11 Sept 200318 Sept 20252
Dorchester Road Bridge14 Oct 200317 Sept 20255
Waterstock Mill20 Sept 200416 Sept 20258
Cuddesdon19 Sept 200316 Sept 20259
Upstream of Notley Abbey9 Oct 200316 Sept 20227
Ickford Bridge20 Sept 200413 Sept 20228
Chiselhampton18 Sept 200324 Aug 20177
Nether Winchendon - Lower Riffle5 Aug 200218 Aug 20177
Shabbington (West Arm)20 Aug 200223 Aug 20168
Eythrope_ByPass Channel Site Two4 Aug 20144 Aug 20141
Old Crendon Road Bridge17 Sept 20043 Sept 20134
Eythrope_ByPass Channel Site One8 Jul 201029 Jul 20132
Kingsey Cuttle Brook24 Aug 20057 Sept 20102
Eythrope9 Sept 20038 Sept 20093
Nether Winchendon - Original Enhancement5 Aug 200210 Sept 20032

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

2002–2025

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 5 measured fish were spread across different length ranges.

Smallest
10.1 cm
Lower quarter
10.9 cm
Median
11.1 cm
Upper quarter
11.6 cm
Largest
11.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Thame

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

Chub Roach Gudgeon Dace Perch Pike

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 →