Stone loach · Barbatula barbatula

Stone loach in the Leigh Brook

Largest measured stone loach: 12 cm

The largest stone loach measured in Environment Agency surveys of the Leigh Brook was 12 cm, recorded at Swains Farm, Leigh on 23 May 2023.

Across 227 measured stone loach, the median measured length was 7.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Leigh Brook.

See stone loach records across England →

Most recent observation23 May 2023Swains Farm, Leigh · 100 fish

Largest measured stone loach: 12 cm
Median length: 7.6 cm
Fish measured: 227
Survey locations: 3

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.

Length	Survey date	Survey location	Survey ID
12 cm	23 May 2023	Swains Farm, Leigh	162608
11.2 cm	23 May 2023	Swains Farm, Leigh	162608
11 cm	23 May 2023	Swains Farm, Leigh	162608
11 cm	23 May 2023	Swains Farm, Leigh	162608
11 cm	23 May 2023	Swains Farm, Leigh	162608
11 cm	23 May 2023	Swains Farm, Leigh	162608
10.9 cm	23 May 2023	Swains Farm, Leigh	162608
10.9 cm	23 May 2023	Swains Farm, Leigh	162608
10.9 cm	23 May 2023	Swains Farm, Leigh	162608
10.9 cm	23 May 2023	Swains Farm, Leigh	162608

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 surveyed	First recorded	Last recorded	Visits finding stone loach
Swains Farm, Leigh	7 Jul 1993	23 May 2023	5
Leigh Pumping Station	26 Nov 2008	5 May 2023	4
Below Brook Farm, Shellwood Cross	15 Jul 1993	15 Jul 1993	1

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

1993–2023

Survey records by year

Each bar shows how many survey visits recorded stone loach that year.

293

094

095

096

097

098

099

000

001

002

003

004

005

006

007

208

009

010

011

212

013

014

215

016

017

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 227 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 6.5 cm
Median: 7.6 cm
Upper quarter: 8.7 cm
Largest: 12 cm

0–99 mm

199

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Leigh Brook

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

Gudgeon Dace Minnow 3-spined stickleback Chub

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 →