Stone loach · Barbatula barbatula

Stone loach in the Roxwell Brook

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the Roxwell Brook was 11.7 cm, recorded at Patience Bridge on 20 January 2005.

Across 39 measured stone loach, the median measured length was 8.9 cm.

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

See stone loach records across England →

Most recent observation3 December 2020u/s Skreens Park Rd Bridge · 5 fish

Largest measured stone loach: 11.7 cm
Median length: 8.9 cm
Fish measured: 39
Survey locations: 4

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
11.7 cm	20 Jan 2005	Patience Bridge	84202
11.2 cm	3 Dec 2020	u/s Skreens Park Rd Bridge	156475
11.1 cm	20 Jan 2005	Patience Bridge	84202
11 cm	20 Jan 2005	Patience Bridge	84202
11 cm	20 Jan 2005	Patience Bridge	84202
10.8 cm	20 Jan 2005	Patience Bridge	84202
10.8 cm	18 Feb 1998	Roxwell Village	13431
10.7 cm	13 Nov 2019	u/s Skreens Park Rd Bridge	156443
10.7 cm	20 Jan 2005	Patience Bridge	84202
10.7 cm	18 Feb 1998	Roxwell Village	13431

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
u/s Skreens Park Rd Bridge	31 Aug 2018	3 Dec 2020	3
Writtle Agricultural College	18 Feb 1998	20 Jan 2005	2
Patience Bridge	19 Feb 1998	20 Jan 2005	2
Roxwell Village	18 Feb 1998	18 Feb 1998	1

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

1998–2020

Survey records by year

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

398

099

000

001

002

003

004

205

006

007

008

009

010

011

012

013

014

015

016

017

118

119

120

Fish measured by surveyors

Measured length distribution

See how the 39 measured fish were spread across different length ranges.

Smallest: 4.7 cm
Lower quarter: 7.5 cm
Median: 8.9 cm
Upper quarter: 10.5 cm
Largest: 11.7 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Roxwell Brook

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

Bullhead 3-spined stickleback Minnow Dace Roach Chub

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 →