Stone loach · Barbatula barbatula

Stone loach in the Main River Yeo

Largest measured stone loach: 13 cm

The largest stone loach measured in Environment Agency surveys of the Main River Yeo was 13 cm, recorded at Upstream confl. Sherborne Lake Stream on 29 July 1993.

Across 248 measured stone loach, the median measured length was 8 cm.

Surveyors recorded weights for 106 stone loach. The median was 0.2 oz (0.006 kg) and the largest recorded weight was 0.8 oz (0.024 kg).

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 Yeo.

See stone loach records across England →

Most recent observation30 July 2015Up Mudford Investigation Site · 9 fish
Largest measured stone loach
13 cm
Median length
8 cm
Fish measured
248
Survey locations
18

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 cm29 Jul 1993Upstream confl. Sherborne Lake Stream79797
13 cm6 Jul 1993Downstream Yeovilton Weir79862
12.8 cm25 Sept 2013Bradford Abbas (Te)138897
12.5 cm29 Jul 1993Upstream confl. Sherborne Lake Stream79797
12.3 cm29 Jul 1993Upstream confl. Sherborne Lake Stream79797
11.9 cm25 Sept 2013Bradford Abbas (Te)138897
11.7 cm23 Jul 1993Bradford Abbas (Te)79816
11.5 cm14 Jul 2011Yeovil Bridge (Te)127172
11.5 cm29 Jul 1993Upstream confl. Sherborne Lake Stream79797
11.4 cm25 Sept 2013Bradford Abbas (Te)138897

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
Up Mudford Investigation Site16 Aug 200530 Jul 20153
Yeovil Bridge (Te)5 Aug 200317 Jul 20149
Bradford Abbas (Te)23 Jul 199325 Sept 20133
Mudford10 Jul 201310 Jul 20131
Goathill Lower16 Aug 201016 Aug 20101
Goathill Higher16 Aug 201016 Aug 20101
Thornford14 Jul 201014 Jul 20101
Pibsbury Pumping Station (Te)10 May 200510 May 20051
Clifton Maybank (Te)25 Aug 200425 Aug 20041
Upstream confl. Sherborne Lake Stream29 Jul 199329 Jul 19931
Honeycombe Farm28 Jul 199328 Jul 19931
Downstream Pen Mill Gauging Station20 Jul 199320 Jul 19931
Over Compton13 Jul 199313 Jul 19931
Downstream Yeovilton Weir6 Jul 19936 Jul 19931
Witcomb Drove30 Jun 199330 Jun 19931
Upstream Ashington Bridge29 Jun 199329 Jun 19931
Manor Farm, Ashington24 Jun 199324 Jun 19931
Great Yard, Ilchester22 Jun 199322 Jun 19931

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

1993–2015

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 248 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
6.7 cm
Median
8 cm
Upper quarter
9.2 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 106 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 (0.004 kg)
Median
0.2 oz (0.006 kg)
Upper quarter
0.3 oz (0.009 kg)
Heaviest
0.8 oz (0.024 kg)

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

More fish in this river

Explore the Main River Yeo

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

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 →