Stone loach · Barbatula barbatula

Stone loach in the Great Eau FMU

Largest measured stone loach: 13.7 cm

The largest stone loach measured in Environment Agency surveys of the Great Eau FMU was 13.7 cm, recorded at Withern Road Bridge on 9 September 1994.

Across 119 measured stone loach, the median measured length was 7.4 cm.

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

See stone loach records across England →

Most recent observation18 July 2024Belleau Spring

Largest measured stone loach: 13.7 cm
Median length: 7.4 cm
Fish measured: 119
Survey locations: 11

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
13.7 cm	9 Sept 1994	Withern Road Bridge	58091
11.4 cm	12 Oct 1989	Barfen Farm	57770
11.1 cm	20 Apr 1995	Withern Road Bridge	57796
10.9 cm	29 Sept 1995	Withern Road Bridge	58115
10.8 cm	12 Sept 1994	Barfen Farm	58093
10.4 cm	21 May 2009	Cloves Bridge Upstream	117282
10.4 cm	21 May 2009	Cloves Bridge Upstream	117282
10.4 cm	23 Oct 1989	Sea View Road	57775
10.3 cm	20 Apr 1995	Withern Road Bridge	57796
10.3 cm	12 Oct 1989	Barfen Farm	57770

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
Belleau Spring	19 Jun 2015	18 Jul 2024	2
Woods Farm	19 Jun 2015	19 Jun 2015	1
Withern Road Bridge	16 Oct 1989	27 Nov 2013	6
Claythorpe Gauging Station	20 Nov 2013	20 Nov 2013	1
Cloves Bridge Upstream	22 Apr 2003	21 May 2009	2
Gayton Engine	29 Sept 1994	17 Apr 2003	2
Barfen Farm	12 Oct 1989	26 Jun 1995	3
Rimac	7 Nov 1989	2 Jun 1995	2
Gayton Le Marsh	11 Oct 1989	22 May 1995	2
Will Row	6 May 1992	14 Sept 1994	2
Sea View Road	23 Oct 1989	23 Oct 1989	1

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

1989–2024

Survey records by year

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

589

090

091

192

093

494

595

196

097

098

099

000

001

002

203

004

005

006

007

008

109

010

011

012

213

014

215

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 119 measured fish were spread across different length ranges.

Smallest: 4.3 cm
Lower quarter: 6.2 cm
Median: 7.4 cm
Upper quarter: 8.7 cm
Largest: 13.7 cm

0–99 mm

107

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Eau FMU

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

European eel 3-spined stickleback Roach Pike Dace 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 →