RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Crooked Oak

Largest measured stone loach: 10.9 cm

The largest stone loach measured in Environment Agency surveys of the River Crooked Oak was 10.9 cm, recorded at Ashmill (Te) on 5 July 2019.

Across 41 measured stone loach, the median measured length was 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 Crooked Oak.

See stone loach records across England →

Most recent observation6 August 2025Eastwood Farm (Sp) · 2 fish
Largest measured stone loach
10.9 cm
Median length
7 cm
Fish measured
41
Survey locations
6

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
10.9 cm5 Jul 2019Ashmill (Te)154727
9.9 cm29 Aug 2018Yeo Bridge (Sp)153474
9.7 cm30 Aug 2018Eastwood Farm (Sp)153476
9.5 cm29 Aug 2018Yeo Bridge (Sp)153474
9.4 cm5 Jul 2019Ashmill (Te)154727
9.2 cm5 Jul 2019Ashmill (Te)154727
9.2 cm30 Aug 2018Eastwood Farm (Sp)153476
9.1 cm20 Jun 2018Ashmill (Te)152668
8.5 cm30 Aug 2018Eastwood Farm (Sp)153476
8 cm5 Jul 2019Ashmill (Te)154727

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
Eastwood Farm (Sp)21 Aug 19966 Aug 20256
Yeo Bridge (Sp)19 Aug 199628 Jul 20254
Harpsom Wood (Sp)19 Aug 199628 Jul 20253
Ashmill (Te)19 Aug 199626 Jun 202514
Alswear (Sp)*21 Aug 19963 Sept 19992
Owlaborough (Sp)*19 Aug 199619 Aug 19961

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

1996–2025

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 41 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
6 cm
Median
7 cm
Upper quarter
7.9 cm
Largest
10.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Crooked Oak

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

Brown / sea trout Bullhead Atlantic salmon European eel Minnow

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 →