RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Gaunless

Largest measured stone loach: 10 cm

The largest stone loach measured in Environment Agency surveys of the River Gaunless was 10 cm, recorded at River Gaunless at Spring Garden on 24 September 2008.

Across 8 measured stone loach, the median measured length was 8.3 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 Gaunless.

See stone loach records across England →

Most recent observation25 September 2025River Gaunless Spring Garden u/s flood defence
Largest measured stone loach
10 cm
Median length
8.3 cm
Fish measured
8
Survey locations
11

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
10 cm24 Sept 2008River Gaunless at Spring Garden114781
9.7 cm24 Sept 2008River Gaunless at Spring Garden114781
8.9 cm24 Sept 2008River Gaunless at Spring Garden114781
8.5 cm24 Sept 2008River Gaunless at Spring Garden114781
8.2 cm24 Sept 2008River Gaunless at Spring Garden114781
7.8 cm24 Sept 2008River Gaunless at Spring Garden114781
7.7 cm24 Sept 2008River Gaunless at Spring Garden114781
7.5 cm24 Sept 2008River Gaunless at Spring Garden114781

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
River Gaunless at Spring Garden18 Sept 200325 Sept 20258
River Gaunless Spring Garden u/s flood defence25 Sept 202525 Sept 20251
River Gaunless at South Church24 Aug 20115 Oct 20235
River Gaunless at Hummer Beck18 Sept 20035 Oct 20233
River Gaunless at Auckland Castle19 Sept 200316 Jul 20174
Hummer Beck at Hummer Beck Farm22 Aug 201116 Jul 20172
River Gaunless at Evenwood18 Sept 200314 Jul 20173
River Gaunless at The Slack22 Jul 200313 Jul 20175
River Gaunless at Fylands Bridge18 Sept 200715 Jul 20142
River Gaunless at Lowlands18 Sept 200314 Sept 20072
River Gaunless at Copley14 Sept 200714 Sept 20071

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

2003–2025

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 8 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
7.8 cm
Median
8.4 cm
Upper quarter
9.1 cm
Largest
10 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gaunless

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

Brown / sea trout Bullhead Minnow 3-spined stickleback European eel Atlantic salmon

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 →