RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River US Lt Ouse

Largest measured stone loach: 10.8 cm

The largest stone loach measured in Environment Agency surveys of the River US Lt Ouse was 10.8 cm, recorded at Two Mile Bottom on 1 July 2015.

Across 165 measured stone loach, the median measured length was 8.1 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 US Lt Ouse.

See stone loach records across England →

Most recent observation20 August 2024Santon Downham · 1 fish
Largest measured stone loach
10.8 cm
Median length
8.1 cm
Fish measured
165
Survey locations
10

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
10.8 cm1 Jul 2015Two Mile Bottom145247
10.6 cm7 Jul 2015Knettishall Heath145392
10.4 cm1 Jul 2015Two Mile Bottom145247
10.4 cm14 Nov 2013Knettishall Heath140028
10.4 cm14 Nov 2012Knettishall Heath134902
10.3 cm1 Jul 2015Two Mile Bottom145247
10.3 cm21 Apr 1989Blo Norton Ford30142
9.9 cm20 Nov 2018Knettishall Heath154148
9.8 cm21 Apr 1989Blo Norton Ford30142
9.8 cm17 May 1988Blo Norton Ford30135

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
Santon Downham26 Jul 200720 Aug 20244
Two Mile Bottom11 Apr 198913 Aug 20246
Abbey Weir6 Feb 19967 Aug 20243
Rushford Bridge27 May 198821 Nov 20188
Knettishall Heath6 Dec 199520 Nov 20187
DS Knettishall Heath19 Jan 200019 Jan 20001
US Knettishall Heath18 May 198818 Jan 20003
Blo Norton Ford17 May 198817 Jan 20003
DS BTO Channel8 Jan 19968 Jan 19961
Black Carr18 Dec 199518 Dec 19951

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

1988–2024

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 165 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
7.3 cm
Median
8.1 cm
Upper quarter
8.8 cm
Largest
10.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Lt Ouse

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

Bullhead Pike Dace European eel Gudgeon Perch

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 →