Stone loach · Barbatula barbatula

Stone loach in the Cowfold Stream

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the Cowfold Stream was 11.7 cm, recorded at Eastlands Farm on 2 March 1998.

Across 15 measured stone loach, the median measured length was 9.8 cm.

Surveyors recorded weights for 15 stone loach. The median was 0.3 oz (0.008 kg) and the largest recorded weight was 0.6 oz (0.018 kg).

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

See stone loach records across England →

Most recent observation10 August 2018Downstream Field House Farm · 21 fish

Largest measured stone loach: 11.7 cm
Median length: 9.8 cm
Fish measured: 15
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
11.7 cm	2 Mar 1998	Eastlands Farm	72653
11 cm	2 Mar 1998	Eastlands Farm	72653
10.5 cm	2 Sept 2002	Eastlands Farm	62742
10.5 cm	2 Mar 1998	Eastlands Farm	72653
10.1 cm	2 Sept 2002	Eastlands Farm	62742
10 cm	2 Mar 1998	Eastlands Farm	72653
9.8 cm	2 Sept 2002	Eastlands Farm	62742
9.8 cm	2 Sept 2002	Eastlands Farm	62742
9.6 cm	2 Sept 2002	Eastlands Farm	62742
9.5 cm	2 Mar 1998	Eastlands Farm	72653

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
Downstream Field House Farm	20 Jul 2012	10 Aug 2018	2
Sheepfield Shaw	15 May 2014	15 May 2014	1
Eastlands Farm	2 Mar 1998	2 Sept 2002	2

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

1998–2018

Survey records by year

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

198

099

000

001

102

003

004

005

006

007

008

009

010

011

112

013

114

015

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 15 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 9.1 cm
Median: 9.8 cm
Upper quarter: 10.3 cm
Largest: 11.7 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 15 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: 0.2 oz (0.0065 kg)
Median: 0.3 oz (0.008 kg)
Upper quarter: 0.4 oz (0.011 kg)
Heaviest: 0.6 oz (0.018 kg)

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

More fish in this river

Explore the Cowfold Stream

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

European eel Gudgeon Perch Brown / sea trout Bullhead 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 →