RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Mun catchment

Largest measured stone loach: 13.5 cm

The largest stone loach measured in Environment Agency surveys of the River Mun catchment was 13.5 cm, recorded at Mundesley Lifeboat station u/s on 25 February 2003.

Across 167 measured stone loach, the median measured length was 8.7 cm.

Surveyors recorded weights for 145 stone loach. The median was 0.2 oz (0.0054 kg) and the largest recorded weight was 0.8 oz (0.0216 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Mun catchment.

See stone loach records across England →

Most recent observation31 March 2014Mundesley Mill chalet park · 6 fish
Largest measured stone loach
13.5 cm
Median length
8.7 cm
Fish measured
167
Survey locations
4

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 cm25 Feb 2003Mundesley Lifeboat station u/s100113
12.7 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.8 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.7 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.6 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.6 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.6 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.5 cm27 Feb 2003Mundesley School Bridge100111
11.4 cm25 Feb 2003Mundesley Lifeboat station u/s100113
11.3 cm27 Feb 2003Mundesley School Bridge100111

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
Mundesley Mill chalet park25 Feb 200331 Mar 20144
Southrepps , The Grove27 Feb 200323 Jan 20122
Mundesley School Bridge27 Feb 200327 Feb 20031
Mundesley Lifeboat station u/s25 Feb 200325 Feb 20031

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

2003–2014

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 167 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
6.7 cm
Median
8.7 cm
Upper quarter
9.8 cm
Largest
13.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 145 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.0005 kg)
Lower quarter
0.1 oz (0.0022 kg)
Median
0.2 oz (0.0054 kg)
Upper quarter
0.3 oz (0.0085 kg)
Heaviest
0.8 oz (0.0216 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Mun catchment

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

3-spined stickleback European eel

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 →