RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Blackwater (Bure)

Largest measured stone loach: 13 cm

The largest stone loach measured in Environment Agency surveys of the River Blackwater (Bure) was 13 cm, recorded at Nethergate on 17 January 2003.

Across 134 measured stone loach, the median measured length was 8.7 cm.

Surveyors recorded weights for 102 stone loach. The median was 0.2 oz (0.0055 kg) and the largest recorded weight was 0.7 oz (0.021 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 Blackwater (Bure).

See stone loach records across England →

Most recent observation22 February 2022Nethergate · 5 fish
Largest measured stone loach
13 cm
Median length
8.7 cm
Fish measured
134
Survey locations
6

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 cm17 Jan 2003Nethergate73807
11.5 cm22 Feb 2022Nethergate160919
11.5 cm14 Jan 2003Hindolveston Beck Farm73805
11.4 cm17 Jan 2003Pages Farm bridge73808
11.3 cm17 Jan 2003Pages Farm bridge73808
11.1 cm17 Jan 2003Pages Farm bridge73808
11.1 cm17 Jan 2003Nethergate73807
11 cm22 Feb 2022Nethergate160919
11 cm17 Jan 2003Nethergate73807
10.9 cm1 Feb 2010Pages Farm bridge121206

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
Nethergate17 Jan 200322 Feb 20224
Pages Farm bridge17 Jan 20032 Mar 20163
Roundabout Farm28 Jan 200328 Jan 20031
Thurning Church16 Jan 200316 Jan 20031
Hindolveston Beck Farm14 Jan 200314 Jan 20031
Guestwick Boundary bridge14 Jan 200314 Jan 20031

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

2003–2022

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 134 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
7.5 cm
Median
8.7 cm
Upper quarter
9.7 cm
Largest
13 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 102 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.003 kg)
Median
0.2 oz (0.0055 kg)
Upper quarter
0.3 oz (0.008 kg)
Heaviest
0.7 oz (0.021 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 Blackwater (Bure)

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

Brown / sea trout 3-spined stickleback 10-spined stickleback 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 →