RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Main Lyd

Largest measured stone loach: 12.3 cm

The largest stone loach measured in Environment Agency surveys of the River Main Lyd was 12.3 cm, recorded at Greenlanes on 30 July 2019.

Across 674 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 Main Lyd.

See stone loach records across England →

Most recent observation8 September 2025Lifton Playing Field · 9 fish
Largest measured stone loach
12.3 cm
Median length
8.1 cm
Fish measured
674
Survey locations
15

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
12.3 cm30 Jul 2019Greenlanes155367
12.1 cm18 Jul 2018Greenlanes153649
12.1 cm7 Aug 2013Greenlanes137870
11.9 cm18 Jul 2018Greenlanes153649
11.9 cm15 Sept 2016Spry Farm149340
11.7 cm29 Jul 2022Lifton Playing Field161783
11.6 cm20 Sept 2017Greenlanes151666
11.5 cm29 Jul 2022Lifton Playing Field161783
11.5 cm30 Jul 2019Greenlanes155367
11.5 cm28 Jun 2016Sydenham148685

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
Lifton Playing Field20 Aug 19938 Sept 202522
Greenlanes13 Aug 198411 Aug 202524
Spry Farm16 Aug 19936 Aug 202525
u/s Gatherley26 Aug 19937 Jul 202524
Sydenham14 Aug 198426 Jun 202429
Lyd Confluence9 Aug 199411 Aug 20238
Downstream Greenlanes8 Aug 20238 Aug 20231
Upstream Spry Farm31 Jul 202331 Jul 20231
Downstream Lifton Playing Field14 Jul 202314 Jul 20231
Upstream Sydenham20 Jun 202320 Jun 20231
Lifton Park24 Aug 199319 Aug 202117
Colemans Farm7 Sept 20067 Sept 20061
Ambrosia Bridge5 Sept 20055 Sept 20051
Sydenham lower gravel retention7 Jul 199527 Jun 19962
Sydenham upper gravel retention10 Jul 199510 Jul 19951

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

1984–2025

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 674 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
7 cm
Median
8.1 cm
Upper quarter
9 cm
Largest
12.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Lyd

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

Atlantic salmon Brown / sea trout Bullhead European eel Brook lamprey 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 →