Stone loach · Barbatula barbatula

Stone loach in the Alfreton Brook

Largest measured stone loach: 13.6 cm

The largest stone loach measured in Environment Agency surveys of the Alfreton Brook was 13.6 cm, recorded at Westhouses on 2 June 2014.

Across 80 measured stone loach, the median measured length was 9.9 cm.

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

See stone loach records across England →

Most recent observation2 June 2014Brook Farm · 137 fish

Largest measured stone loach: 13.6 cm
Median length: 9.9 cm
Fish measured: 80
Survey locations: 2

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
13.6 cm	2 Jun 2014	Westhouses	140997
13.5 cm	2 Jun 2014	Westhouses	140997
12.7 cm	2 Jun 2014	Brook Farm	141001
12.3 cm	2 Jun 2014	Westhouses	140997
12.2 cm	2 Jun 2014	Westhouses	140997
12 cm	2 Jun 2014	Westhouses	140997
12 cm	2 Jun 2014	Westhouses	140997
12 cm	2 Jun 2014	Westhouses	140997
11.8 cm	2 Jun 2014	Westhouses	140997
11.6 cm	2 Jun 2014	Westhouses	140997

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
Westhouses	12 Sept 2012	2 Jun 2014	2
Brook Farm	17 Oct 1997	2 Jun 2014	4

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

1997–2014

Survey records by year

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

197

098

099

100

001

002

003

004

005

006

007

008

009

010

111

112

013

214

Fish measured by surveyors

Measured length distribution

See how the 80 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 9.4 cm
Median: 9.9 cm
Upper quarter: 10.9 cm
Largest: 13.6 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Alfreton Brook

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

3-spined stickleback

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 →