Stone loach · Barbatula barbatula

Stone loach in the Gatwick Stream

Largest measured stone loach: 10.9 cm

The largest stone loach measured in Environment Agency surveys of the Gatwick Stream was 10.9 cm, recorded at Riverside Gardens on 14 November 2017.

Across 8 measured stone loach, the median measured length was 9.7 cm.

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

See stone loach records across England →

Most recent observation9 October 2019Grattons Park by St Marys Drive · 6 fish

Largest measured stone loach: 10.9 cm
Median length: 9.7 cm
Fish measured: 8
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
10.9 cm	14 Nov 2017	Riverside Gardens	156429
10.8 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806
10.6 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806
9.7 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806
9.6 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806
8.4 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806
8.3 cm	2 Oct 2019	Forge Farm, Tinsley Green	155616
7.1 cm	9 Oct 2019	Grattons Park by St Marys Drive	155806

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
Grattons Park by St Marys Drive	4 May 2006	9 Oct 2019	2
Forge Farm, Tinsley Green	21 Nov 1989	2 Oct 2019	3
Riverside Gardens	21 Aug 1986	14 Nov 2017	2

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

1986–2019

Survey records by year

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

186

087

088

189

090

091

092

193

094

095

096

097

098

099

000

001

002

003

004

005

106

007

008

009

010

011

012

013

014

015

016

117

018

219

Fish measured by surveyors

Measured length distribution

See how the 8 measured fish were spread across different length ranges.

Smallest: 7.1 cm
Lower quarter: 8.4 cm
Median: 9.7 cm
Upper quarter: 10.7 cm
Largest: 10.9 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Gatwick Stream

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

Bullhead Brown / sea trout Perch Chub Dace Gudgeon

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 →