RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Bielby Beck System

Largest measured stone loach: 10.1 cm

The largest stone loach measured in Environment Agency surveys of the Bielby Beck System was 10.1 cm, recorded at Bishop Wilton Beck, Low Belthorpe DERBT36 on 11 October 2012.

Across 17 measured stone loach, the median measured length was 6.3 cm.

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

See stone loach records across England →

Most recent observation18 June 2019The Beck,Thornton Bridge DERCORS14 · 3 fish
Largest measured stone loach
10.1 cm
Median length
6.3 cm
Fish measured
17
Survey locations
7

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
10.1 cm11 Oct 2012Bishop Wilton Beck, Low Belthorpe DERBT36134178
9.7 cm11 Oct 2012Bishop Wilton Beck, Low Belthorpe DERBT36134178
7.8 cm18 Jun 2019The Beck,Thornton Bridge DERCORS14154622
7.6 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
7 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
6.7 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
6.6 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
6.4 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
6.3 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623
6.1 cm11 Jun 2019Blackfoss Beck, Woodhouse Farm DERCORS13154623

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
The Beck,Thornton Bridge DERCORS142 Jul 200218 Jun 20192
Blackfoss Beck, Woodhouse Farm DERCORS132 Jul 200211 Jun 20192
Bishop Wilton Beck, Low Belthorpe DERBT362 Jul 200211 Oct 20122
The Beck, Hagg Bridge DERCORS1528 Jun 201228 Jun 20121
Foss Beck, u/s Common Beck Confl. DERCORS163 Jul 20023 Jul 20021
Sails Beck, Westfield House Farm DERCORS172 Jul 20022 Jul 20021
Burnby Beck, Hayton DERBT352 Jul 20022 Jul 20021

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

2002–2019

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 17 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
6 cm
Median
6.3 cm
Upper quarter
7 cm
Largest
10.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bielby Beck System

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

Bullhead Minnow European eel 3-spined stickleback Brown / sea trout Roach

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 →