RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Swilgate

Largest measured stone loach: 13.5 cm

The largest stone loach measured in Environment Agency surveys of the River Swilgate was 13.5 cm, recorded at Tredington on 15 December 1987.

Across 122 measured stone loach, the median measured length was 9.5 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 Swilgate.

See stone loach records across England →

Most recent observation23 August 2024Rails Meadow
Largest measured stone loach
13.5 cm
Median length
9.5 cm
Fish measured
122
Survey locations
7

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
13.5 cm15 Dec 1987Tredington72974
13.3 cm15 Dec 1987Tredington72974
12.5 cm15 Dec 1987Manor Farm Industrial Estate76552
12 cm18 May 1992Tredington72972
12 cm15 Dec 1987Tredington72974
12 cm15 Dec 1987Tredington72974
11.9 cm30 Apr 2003Tredington75984
11.7 cm15 Dec 1987Elmstone Hardwicke72968
11.5 cm15 Dec 1987Tredington72974
11.5 cm15 Dec 1987Elmstone Hardwicke72968

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
Rails Meadow10 Oct 201323 Aug 20246
Prior's Park10 Oct 20138 Sept 20162
Elmstone Hardwicke15 Dec 198716 May 20146
Tredington20 Jan 19767 May 20147
D/s of weir (tidal)28 Aug 20021 Aug 20124
Tredington House30 Sept 200530 Sept 20051
Manor Farm Industrial Estate15 Dec 198721 Oct 19982

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

1976–2024

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 122 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
7.7 cm
Median
9.5 cm
Upper quarter
10.5 cm
Largest
13.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swilgate

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

Dace European eel Roach 3-spined stickleback Chub Gudgeon

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 →