RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Devon

Largest measured stone loach: 12.1 cm

The largest stone loach measured in Environment Agency surveys of the River Devon was 12.1 cm, recorded at Cottam Gauging Station on 8 May 2013.

Across 174 measured stone loach, the median measured length was 7.8 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 Devon.

See stone loach records across England →

Most recent observation6 August 2025Cottam Gauging Station
Largest measured stone loach
12.1 cm
Median length
7.8 cm
Fish measured
174
Survey locations
5

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
12.1 cm8 May 2013Cottam Gauging Station136054
10.6 cm2 Jun 2015Cottam Gauging Station145263
10.6 cm2 Jun 2015Cottam Gauging Station145263
10.6 cm2 Jun 2015Cottam Gauging Station145263
10.5 cm2 Jun 2015Cottam Gauging Station145263
10.3 cm24 May 2011Staunton in the Vale126325
10 cm8 May 2013Cottam Gauging Station136054
10 cm8 May 2013Cottam Gauging Station136054
10 cm8 May 2013Cottam Gauging Station136054
10 cm8 May 2013Cottam Gauging Station136054

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
Cottam Gauging Station5 May 19956 Aug 20257
Staunton in the Vale24 May 201121 Jun 20172
Bottesford12 Jun 201321 Jun 20172
Grange Farm2 Sept 20112 Sept 20111
Hawton28 Aug 200928 Aug 20091

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

1995–2025

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 174 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
6.2 cm
Median
7.8 cm
Upper quarter
9 cm
Largest
12.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Devon

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

Roach European eel 3-spined stickleback Bullhead Perch Chub

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 →