Stone loach · Barbatula barbatula

Stone loach in the River Main Lapford Yeo

Largest measured stone loach: 10.5 cm

The largest stone loach measured in Environment Agency surveys of the River Main Lapford Yeo was 10.5 cm, recorded at Nymphayes (Sp) on 6 August 2018.

Across 23 measured stone loach, the median measured length was 9 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 Main Lapford Yeo.

See stone loach records across England →

Most recent observation18 October 2018North Beer (Sp) · 13 fish
Largest measured stone loach
10.5 cm
Median length
9 cm
Fish measured
23
Survey locations
7

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
10.5 cm6 Aug 2018Nymphayes (Sp)153020
10.5 cm6 Aug 2018Nymphayes (Sp)153020
10.1 cm18 Oct 2018North Beer (Sp)153799
9.9 cm18 Oct 2018North Beer (Sp)153799
9.7 cm18 Oct 2018North Beer (Sp)153799
9.6 cm6 Aug 2018Nymphayes (Sp)153020
9.4 cm18 Oct 2018North Beer (Sp)153799
9.4 cm6 Aug 2018Nymphayes (Sp)153020
9.3 cm18 Oct 2018North Beer (Sp)153799
9 cm18 Oct 2018North Beer (Sp)153799

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
North Beer (Sp)5 Aug 199618 Oct 20183
Nymphayes (Sp)8 Aug 19966 Aug 20185
Tucking Mill (Sp)*7 Aug 19963 Aug 19992
Middle Yeo (Sp)*8 Aug 19963 Aug 19992
Bow (Sp)*7 Aug 19963 Aug 19992
Bury Bridge (Sp)*8 Aug 19962 Aug 19992
Lapford (Sp)*7 Aug 19962 Jul 19992

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

1996–2018

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 23 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
6.2 cm
Median
9 cm
Upper quarter
9.5 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Lapford Yeo

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 →