Stone loach · Barbatula barbatula

Stone loach in the North River

Largest measured stone loach: 10.2 cm

The largest stone loach measured in Environment Agency surveys of the North River was 10.2 cm, recorded at Paynes Green sq on 4 August 2005.

Across 59 measured stone loach, the median measured length was 7.4 cm.

Surveyors recorded weights for 59 stone loach. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.4 oz (0.011 kg).

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

See stone loach records across England →

Most recent observation24 June 2014Oakwood Hill · 51 fish

Largest measured stone loach: 10.2 cm
Median length: 7.4 cm
Fish measured: 59
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
10.2 cm	4 Aug 2005	Paynes Green sq	87011
10.1 cm	29 Jul 2005	West Brook Q	86995
10 cm	29 Jul 2005	West Brook Q	86995
9.8 cm	18 Aug 2004	West Brook Q	81730
9.5 cm	4 Aug 2005	Paynes Green sq	87011
9.5 cm	18 Aug 2004	West Brook Q	81730
9 cm	4 Aug 2005	Paynes Green sq	87011
9 cm	4 Aug 2005	Paynes Green sq	87011
9 cm	4 Aug 2005	Paynes Green sq	87011
9 cm	27 Aug 2003	West Brook Q	76979

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
Oakwood Hill	24 Jun 2014	24 Jun 2014	1
Northlands farm	24 Jun 2014	24 Jun 2014	1
West Brook Q	5 Aug 2002	22 Aug 2006	5
Paynes Green sq	4 Aug 2005	4 Aug 2005	1

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

2002–2014

Survey records by year

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

102

103

104

205

106

007

008

009

010

011

012

013

214

Fish measured by surveyors

Measured length distribution

See how the 59 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 6.8 cm
Median: 7.4 cm
Upper quarter: 8.6 cm
Largest: 10.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 59 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.003 kg)
Median: 0.1 oz (0.004 kg)
Upper quarter: 0.2 oz (0.005 kg)
Heaviest: 0.4 oz (0.011 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the North River

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

Bullhead European eel Gudgeon Minnow Perch Roach

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 →