Stone loach · Barbatula barbatula

Stone loach in the Eau

Largest measured stone loach: 10.2 cm

The largest stone loach measured in Environment Agency surveys of the Eau was 10.2 cm, recorded at Scotter on 10 May 2013.

Across 161 measured stone loach, the median measured length was 6.1 cm.

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

See stone loach records across England →

Most recent observation27 May 2025Scotter

Largest measured stone loach: 10.2 cm
Median length: 6.1 cm
Fish measured: 161
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
10.2 cm	10 May 2013	Scotter	136060
8.9 cm	24 May 2017	Scotter	150429
8.5 cm	10 May 2013	Scotter	136060
8.5 cm	23 Jun 2011	Scotter	126631
8.4 cm	10 May 2013	Scotter	136060
8 cm	22 May 2019	Scotter	154510
7.9 cm	25 Jun 2015	Scotter	145279
7.9 cm	23 Jun 2011	Scotter	126631
7.9 cm	23 Jun 2011	Scotter	126631
7.9 cm	23 Jun 2011	Scotter	126631

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
Scotter	23 Aug 2006	27 May 2025	7
Trent Confluence	23 Aug 2006	10 May 2013	2
Northorpe	28 May 1998	28 May 1998	1

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

1998–2025

Survey records by year

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

198

099

000

001

002

003

004

005

206

007

008

009

010

111

012

213

014

115

016

117

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 161 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 5.4 cm
Median: 6.1 cm
Upper quarter: 6.7 cm
Largest: 10.2 cm

0–99 mm

160

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eau

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

European eel 3-spined stickleback Perch Dace Gudgeon 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 →