Stone loach · Barbatula barbatula

Stone loach in the River R.Slea

Largest measured stone loach: 12.5 cm

The largest stone loach measured in Environment Agency surveys of the River R.Slea was 12.5 cm, recorded at Wilsford Gauge Station on 18 March 1994.

Across 118 measured stone loach, the median measured length was 8.3 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 R.Slea.

See stone loach records across England →

Most recent observation20 September 2024DS Cogglesford Mill

Largest measured stone loach: 12.5 cm
Median length: 8.3 cm
Fish measured: 118
Survey locations: 9

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
12.5 cm	18 Mar 1994	Wilsford Gauge Station	53331
12.1 cm	21 Mar 1994	Ancaster	53332
12.1 cm	14 Mar 1988	Bypass Bridge	53186
12 cm	14 Mar 1988	Bypass Bridge	53186
11.9 cm	14 Mar 1988	Bypass Bridge	53186
11.8 cm	9 Apr 2009	Bypass Bridge	117271
11.4 cm	18 Mar 1994	Wilsford Gauge Station	53331
11.2 cm	18 Mar 1994	Wilsford Gauge Station	53331
11.1 cm	2 Apr 2008	Bypass Bridge	110762
10.9 cm	18 Mar 1994	Wilsford Gauge Station	53331

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
DS Cogglesford Mill	20 Sept 2024	20 Sept 2024	1
Bypass Bridge	14 Mar 1988	19 Oct 2023	8
Halfpenny Hatch	31 May 1985	25 Jul 2023	11
Upstream Cogglesford Mill	11 Oct 2018	11 Oct 2018	1
Chapel Hill (Kyme)	18 Oct 2013	1 Oct 2014	2
South Kyme Bridge	12 Apr 2007	11 Oct 2012	2
Cobblers Lock	3 Jul 1997	7 Apr 2010	6
Ancaster	21 Mar 1994	21 Mar 1994	1
Wilsford Gauge Station	18 Mar 1994	18 Mar 1994	1

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

1985–2024

Survey records by year

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

185

086

087

288

089

090

091

092

093

394

095

096

197

098

099

000

001

002

003

004

205

206

407

308

209

310

011

212

213

214

015

016

017

118

019

020

021

022

223

124

Fish measured by surveyors

Measured length distribution

See how the 118 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 7 cm
Median: 8.4 cm
Upper quarter: 9.5 cm
Largest: 12.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Slea

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

European eel Roach 3-spined stickleback Gudgeon Dace Pike

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 →