RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River R.Ouse tributaries

Largest measured stone loach: 9.3 cm

The largest stone loach measured in Environment Agency surveys of the River R.Ouse tributaries was 9.3 cm, recorded at Stillingfleet Beck at Stillingfleet Bridge on 28 June 2012.

Across 5 measured stone loach, the median measured length was 8 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 R.Ouse tributaries.

See stone loach records across England →

Most recent observation1 July 2024River Kyle Youlton Lodge
Largest measured stone loach
9.3 cm
Median length
8 cm
Fish measured
5
Survey locations
4

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
9.3 cm28 Jun 2012Stillingfleet Beck at Stillingfleet Bridge132250
9.2 cm9 Jun 2022River Kyle Youlton Lodge162783
8 cm9 Jun 2022River Kyle Youlton Lodge162783
7.3 cm15 Jun 2018River Foss at Lilling Green152679
6.4 cm28 Jun 2012Stillingfleet Beck at Stillingfleet Bridge132250

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
River Kyle Youlton Lodge9 Jun 20221 Jul 20242
River Foss at Lilling Green18 Jun 201015 Jun 20183
River Kyle at US New Park Beck18 Jun 201013 Jun 20142
Stillingfleet Beck at Stillingfleet Bridge28 Jun 201228 Jun 20121

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

2010–2024

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 5 measured fish were spread across different length ranges.

Smallest
6.4 cm
Lower quarter
7.3 cm
Median
8 cm
Upper quarter
9.2 cm
Largest
9.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Ouse tributaries

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

3-spined stickleback Roach Chub Bullhead Dace Gudgeon

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 →