RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Gowy

Largest measured stone loach: 14.8 cm

The largest stone loach measured in Environment Agency surveys of the River Gowy was 14.8 cm, recorded at Gwgo20 on 23 April 2002.

Across 622 measured stone loach, the median measured length was 9.1 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 Gowy.

See stone loach records across England →

Most recent observation12 May 2026Gwgo25
Largest measured stone loach
14.8 cm
Median length
9.1 cm
Fish measured
622
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
14.8 cm23 Apr 2002Gwgo2053528
12.8 cm15 Apr 2003Gwgo0575837
12.7 cm23 Apr 2002Gwgo2053528
12.6 cm28 Apr 2004Gwgo2079728
12.6 cm21 Apr 2004Gwgo1079681
12.5 cm21 Apr 2004Gwgo0579684
12.5 cm22 Apr 2002Gwgo0553520
12.4 cm21 Apr 2004Gwgo0579684
12.3 cm21 Apr 2004Gwgo0579684
12.1 cm21 Apr 2004Gwgo1079681

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
Gwgo2525 Apr 200212 May 20269
Gwgo1022 Apr 200216 Apr 202612
Gwgo0626 May 199913 May 20244
Gwgo2023 Apr 20021 Jun 202211
Gwgo1523 Apr 200222 Apr 20148
Gwgo0510 Jul 199629 Apr 200910
Gwgo0226 Jul 199926 Jul 19991
Gwgo2322 Jul 199922 Jul 19991
Go1222 Jul 199922 Jul 19991
Go098 Jul 19998 Jul 19991
Go0726 May 199926 May 19991
Go0626 May 199926 May 19991
Go0127 Nov 199626 May 19993

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

1996–2026

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 622 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
7.3 cm
Median
9.1 cm
Upper quarter
10.2 cm
Largest
14.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gowy

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

European eel 3-spined stickleback Gudgeon Roach Bullhead Perch

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 →