RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Scout Dike

Largest measured stone loach: 10.3 cm

The largest stone loach measured in Environment Agency surveys of the River Scout Dike was 10.3 cm, recorded at Nether Mill Fishery on 7 September 2017.

Across 8 measured stone loach, the median measured length was 9.1 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 Scout Dike.

See stone loach records across England →

Most recent observation29 September 2023Nether Mill Fishery
Largest measured stone loach
10.3 cm
Median length
9.1 cm
Fish measured
8
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
10.3 cm7 Sept 2017Nether Mill Fishery151566
10.2 cm6 Sept 2011Nether Mill Fishery128628
9.6 cm20 Aug 2008Nether Mill Fishery114909
9.2 cm7 Sept 2017Nether Mill Fishery151566
8.9 cm7 Sept 2017Nether Mill Fishery151566
8.2 cm6 Sept 2011Nether Mill Fishery128628
7.8 cm7 Sept 2017Nether Mill Fishery151566
4.8 cm7 Sept 2017Nether Mill Fishery151566

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
Nether Mill Fishery20 Aug 200829 Sept 20234
Downstream B64627 Jan 198621 Sept 20012
Below Ingbirchworth Reservoir31 Oct 199031 Oct 19901

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

1986–2023

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 8 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
8.1 cm
Median
9.1 cm
Upper quarter
9.8 cm
Largest
10.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Scout Dike

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

3-spined stickleback Brown / sea trout Bullhead Roach Perch Minnow

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 →