Stone loach · Barbatula barbatula

Stone loach in the River Itchen

Largest measured stone loach: 10.5 cm

The largest stone loach measured in Environment Agency surveys of the River Itchen was 10.5 cm, recorded at Long Itchington on 23 August 2016.

Across 65 measured stone loach, the median measured length was 7.8 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 Itchen.

See stone loach records across England →

Most recent observation17 May 2023Long Itchington

Largest measured stone loach: 10.5 cm
Median length: 7.8 cm
Fish measured: 65
Survey locations: 7

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
10.5 cm	23 Aug 2016	Long Itchington	149395
10.3 cm	28 Jun 1998	Deppers bridge	80976
10 cm	23 Aug 2016	Long Itchington	149395
10 cm	22 Oct 1997	Southam	80981
10 cm	24 Feb 1992	Bishops Itchington	80971
9.7 cm	23 Aug 2016	Long Itchington	149395
9.6 cm	23 Aug 2016	Long Itchington	149395
9.6 cm	28 Jun 1998	Deppers bridge	80976
9.5 cm	22 Oct 1997	Southam	80981
9.3 cm	28 Jun 1998	Deppers bridge	80976

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
Long Itchington	24 Feb 1992	17 May 2023	8
Long Itchington upstream site	13 Oct 2010	13 Oct 2010	1
Snowford Bridge	29 Jun 1993	23 Sept 2008	2
Deppers bridge	21 Oct 1997	28 Jun 1998	2
Southam	6 Nov 1986	22 Oct 1997	3
Bishops Itchington	24 Feb 1992	21 Oct 1997	2
Knightcote	28 Jun 1993	28 Jun 1993	1

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

1986–2023

Survey records by year

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

186

087

088

089

090

091

392

293

094

095

096

497

198

099

000

001

002

003

004

005

006

007

208

009

210

011

012

013

014

015

116

017

118

119

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 65 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 6.1 cm
Median: 7.8 cm
Upper quarter: 8.8 cm
Largest: 10.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Itchen

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

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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 →