RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Flasby Beck

Largest measured stone loach: 11.3 cm

The largest stone loach measured in Environment Agency surveys of the Flasby Beck was 11.3 cm, recorded at u/s Eshton Beck Confluence on 24 August 2006.

Across 35 measured stone loach, the median measured length was 4.2 cm.

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

See stone loach records across England →

Most recent observation20 September 2019Flasby · 1 fish
Largest measured stone loach
11.3 cm
Median length
4.2 cm
Fish measured
35
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
11.3 cm24 Aug 2006u/s Eshton Beck Confluence121110
11 cm20 Sept 2019Flasby155553
10.3 cm24 Aug 2006u/s Hetton Bridge121109
9.7 cm24 Aug 2006u/s Hetton Bridge121109
9.2 cm24 Aug 2006u/s Hetton Bridge121109
8.8 cm24 Aug 2006u/s Hetton Bridge121109
8.8 cm24 Aug 2006u/s Hetton Bridge121109
8.7 cm24 Aug 2006u/s Hetton Bridge121109
8.7 cm24 Aug 2006u/s Hetton Bridge121109
8.3 cm24 Aug 2006u/s Hetton Bridge121109

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
Flasby20 Sept 201920 Sept 20191
u/s Eshton Beck Confluence24 Aug 200629 Aug 20072
u/s Hetton Bridge24 Aug 200628 Aug 20072

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

2006–2019

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 35 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
3.3 cm
Median
4.2 cm
Upper quarter
8.5 cm
Largest
11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Flasby Beck

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

Brown / sea trout Bullhead

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 →