RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Ouse

Largest measured stone loach: 49.2 cm

The largest stone loach measured in Environment Agency surveys of the River Ouse was 49.2 cm, recorded at Naburn Weir (boom boat site) on 23 July 1999.

Across 5 measured stone loach, the median measured length was 6.7 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.

See stone loach records across England →

Most recent observation28 June 2016Beningbrough Village (single anode) · 1 fish
Largest measured stone loach
49.2 cm
Median length
6.7 cm
Fish measured
5
Survey locations
5

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
49.2 cm23 Jul 1999Naburn Weir (boom boat site)105760
47 cm8 Aug 1997Naburn Weir (boom boat site)110350
6.7 cm15 Jul 2014Naburn Weir (single anode)141739
6.2 cm28 Jun 2016Beningbrough Village (single anode)148339
5.6 cm28 Jun 2016Linton-on-Ouse, below weir (single anode)148338

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
Linton-on-Ouse, below weir (single anode)28 Jun 201628 Jun 20161
Beningbrough Village (single anode)28 Jun 201628 Jun 20161
Naburn Weir (single anode)15 Jul 201415 Jul 20141
Naburn Weir (boom boat site)8 Aug 199723 Jul 19992
Beningborough - Fry Survey25 Sept 198525 Sept 19851

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

1985–2016

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
5.6 cm
Lower quarter
6.2 cm
Median
6.7 cm
Upper quarter
47 cm
Largest
49.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ouse

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

Roach Perch Gudgeon Ruffe Bleak Pike

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 →