Stone loach · Barbatula barbatula

Stone loach in the River Ouse/Ure eel surveys

Largest measured stone loach: 10.1 cm

The largest stone loach measured in Environment Agency surveys of the River Ouse/Ure eel surveys was 10.1 cm, recorded at Bishopdale Beck at Spickles Bridge on 4 June 2018.

Across 62 measured stone loach, the median measured length was 7.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Ouse/Ure eel surveys.

See stone loach records across England →

Most recent observation16 June 2026Bishopdale Beck at Spickles Bridge
Largest measured stone loach
10.1 cm
Median length
7.2 cm
Fish measured
62
Survey locations
9

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 cm4 Jun 2018Bishopdale Beck at Spickles Bridge152594
9.9 cm24 Jun 2022Selby Dam at Low Rest Park Farm161160
9.8 cm1 Jun 2022Bishopdale Beck at Spickles Bridge160973
9.8 cm6 Jun 2018River Skell d/s Ripon Bypass152639
9.6 cm24 Jun 2022Selby Dam at Low Rest Park Farm161160
9.5 cm9 Jun 2022River Kyle Youlton Lodge161162
9.4 cm4 Jun 2018Bishopdale Beck at Spickles Bridge152594
9.3 cm6 Jun 2016Bishopdale Beck at Spickles Bridge148190
9.2 cm9 Jun 2022River Kyle Youlton Lodge161162
9.2 cm4 Jun 2018Bishopdale Beck at Spickles Bridge152594

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
Bishopdale Beck at Spickles Bridge3 Jun 201416 Jun 20266
Selby Dam at Low Rest Park Farm24 Jun 202210 Jun 20263
River Tutt at St Helena's Weir8 Jun 20104 Jun 20267
River Skell d/s Ripon Bypass6 Jun 20164 Jun 20265
River Kyle Youlton Lodge9 Jun 20221 Jun 20263
Stillingfleet eel survey5 Aug 20245 Aug 20241
River Foss at Lilling Green (Eel)10 Jun 20145 Jul 20243
Holbeck at Boroughbridge Road Bridge5 Jun 201820 Jun 20222
River Kyle u/s New Parks Beck13 Jun 201415 Jun 20183

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

2010–2026

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 62 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
5.8 cm
Median
7.3 cm
Upper quarter
8.8 cm
Largest
10.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ouse/Ure eel surveys

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

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 →