RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Black Sewer

Largest measured stone loach: 14.2 cm

The largest stone loach measured in Environment Agency surveys of the River Black Sewer was 14.2 cm, recorded at Kings Barn Farm, d/s STW on 16 July 2004.

Across 332 measured stone loach, the median measured length was 8.9 cm.

Surveyors recorded weights for 312 stone loach. The median was 0.2 oz (0.006 kg) and the largest recorded weight was 0.9 oz (0.026 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 Black Sewer.

See stone loach records across England →

Most recent observation3 August 2011Black Sewer Upper · 2 fish
Largest measured stone loach
14.2 cm
Median length
8.9 cm
Fish measured
332
Survey locations
3

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
14.2 cm16 Jul 2004Kings Barn Farm, d/s STW80836
13.4 cm16 Jul 2004Kings Barn Farm, d/s STW80836
13.2 cm22 Aug 2005Kings Barn Farm, d/s STW87472
13.1 cm15 Aug 2006Kings Barn Farm, u/s STW102317
13.1 cm6 May 1998Kings Barn Farm, u/s STW72743
13.1 cm6 May 1998Kings Barn Farm, u/s STW72743
13 cm18 Aug 2009Kings Barn Farm, d/s STW120614
13 cm29 Jul 2003Kings Barn Farm, d/s STW76619
12.8 cm18 Aug 2009Kings Barn Farm, d/s STW120614
12.8 cm15 Aug 2007Kings Barn Farm, d/s STW107282

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
Black Sewer Upper27 Aug 20023 Aug 20115
Kings Barn Farm, d/s STW27 Aug 20029 Sept 20109
Kings Barn Farm, u/s STW6 May 199825 Jul 20088

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

1998–2011

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 332 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
7.5 cm
Median
8.9 cm
Upper quarter
10.4 cm
Largest
14.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 312 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 (0.006 kg)
Upper quarter
0.4 oz (0.01 kg)
Heaviest
0.9 oz (0.026 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 Black Sewer

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

Brown / sea trout European eel 3-spined stickleback Chub Flounder Dace

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 →