RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Powdermill Stream

Largest measured stone loach: 11.5 cm

The largest stone loach measured in Environment Agency surveys of the Powdermill Stream was 11.5 cm, recorded at Upstream Crowhurst Bridge on 7 September 2004.

Across 28 measured stone loach, the median measured length was 7.7 cm.

Surveyors recorded weights for 28 stone loach. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.7 oz (0.019 kg).

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

See stone loach records across England →

Most recent observation8 August 2016Crowhurst Recreation Grounds · 14 fish
Largest measured stone loach
11.5 cm
Median length
7.7 cm
Fish measured
28
Survey locations
2

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
11.5 cm7 Sept 2004Upstream Crowhurst Bridge82208
11.1 cm18 Mar 1998Upstream Crowhurst Bridge72816
10.5 cm18 Mar 1998Upstream Crowhurst Bridge72816
10 cm7 Sept 2004Upstream Crowhurst Bridge82208
9.6 cm7 Sept 2004Upstream Crowhurst Bridge82208
9.4 cm7 Sept 2004Upstream Crowhurst Bridge82208
9 cm7 Sept 2004Upstream Crowhurst Bridge82208
9 cm7 Sept 2004Upstream Crowhurst Bridge82208
8.5 cm7 Sept 2004Upstream Crowhurst Bridge82208
8 cm7 Sept 2004Upstream Crowhurst Bridge82208

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
Crowhurst Recreation Grounds20 Sept 20128 Aug 20162
Upstream Crowhurst Bridge18 Mar 199816 Apr 20133

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

1998–2016

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 28 measured fish were spread across different length ranges.

Smallest
6 cm
Lower quarter
7 cm
Median
7.7 cm
Upper quarter
9 cm
Largest
11.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 28 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.1 oz (0.003 kg)
Median
0.1 oz (0.003 kg)
Upper quarter
0.2 oz (0.006 kg)
Heaviest
0.7 oz (0.019 kg)

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

More fish in this river

Explore the Powdermill Stream

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

Brown / sea trout 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 →