RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Bollin

Largest measured stone loach: 13.8 cm

The largest stone loach measured in Environment Agency surveys of the River Bollin was 13.8 cm, recorded at Bo01 on 7 May 2003.

Across 458 measured stone loach, the median measured length was 9.2 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 Bollin.

See stone loach records across England →

Most recent observation9 September 2025Bobo07
Largest measured stone loach
13.8 cm
Median length
9.2 cm
Fish measured
458
Survey locations
40

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
13.8 cm7 May 2003Bo0175934
12.8 cm21 Aug 2003Bo0776733
12.6 cm26 Sept 2002Bobo1064040
12.5 cm26 Jul 2002Bobo1664560
12.4 cm20 Aug 2003Bobo1576731
12.4 cm12 Jul 1999Mc0165801
12.4 cm12 Jul 1999Mc0165801
12.3 cm9 Oct 2002Bobo2064041
12.3 cm26 Jul 2002Mc0364561
12.2 cm26 Sept 2002Bobo1064040

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
Bobo079 Sept 20259 Sept 20251
Bobo059 Sept 20259 Sept 20251
Bo1120 Sept 20228 Sept 20252
Bobo3117 Aug 201113 Aug 20254
Bobo2020 Aug 200123 Jul 20257
Bobo1929 Aug 200723 Jul 20256
Bobo133 Aug 201022 Jul 20253
Bobo123 Aug 201022 Jul 20255
Bobo1022 Aug 200117 Jul 202512
Bo0818 Aug 199316 Jul 20254
Bo0718 Aug 199321 Sept 20224
Mc0513 Jul 199920 Sept 20224
Bo0217 Aug 199321 Jul 201619
Bobo1414 Oct 201014 Oct 20101
Bobo256 Sept 200426 Jun 20084
Bobo306 Sept 200423 Jun 20085
Mc0312 Jul 199927 Sept 20053
Bo0317 Aug 199314 Sept 20055
Bobo1612 Jul 19994 Aug 20054
Bobo1512 Jul 19994 Aug 20054
Bo1220 Aug 200320 Aug 20031
Bo019 May 20007 May 20033
Mc0012 Jul 199930 Jul 20022
Mc0112 Jul 199926 Jul 20022
Bo0618 Aug 199315 Aug 19962
Bo0918 Aug 19936 Aug 19962
Bo0518 Aug 19936 Aug 19962
Bo0417 Aug 19936 Aug 19962
Bo1523 Jul 199623 Jul 19961
Bo1323 Jul 199623 Jul 19961
Bo222 Nov 199326 Jun 19962
Bo202 Nov 199326 Jun 19962
Bo2125 Jun 199625 Jun 19961
Bo192 Nov 199325 Jun 19962
Bo182 Nov 199325 Jun 19962
Bo1727 Oct 199325 Jun 19962
Bo1626 Oct 199325 Jun 19962
Bo1426 Aug 199325 May 19962
Bo243 Nov 19933 Nov 19931
Bo233 Nov 19933 Nov 19931

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

1993–2025

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 458 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
8.2 cm
Median
9.2 cm
Upper quarter
10.1 cm
Largest
13.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bollin

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

3-spined stickleback Bullhead Gudgeon Brown / sea trout Chub Roach

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 →