Stone loach · Barbatula barbatula

Stone loach in the Chess Stream

Largest measured stone loach: 78 cm

The largest stone loach measured in Environment Agency surveys of the Chess Stream was 78 cm, recorded at Park Farm on 24 July 1997.

Across 52 measured stone loach, the median measured length was 5.8 cm.

Surveyors recorded weights for 52 stone loach. The median was 0.1 oz (0.002 kg) and the largest recorded weight was 1.3 oz (0.038 kg).

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

See stone loach records across England →

Most recent observation13 May 2014Downstream Chess Bridge · 21 fish

Largest measured stone loach: 78 cm
Median length: 5.8 cm
Fish measured: 52
Survey locations: 5

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
78 cm	24 Jul 1997	Park Farm	52041
12 cm	8 Aug 2006	Parsonage Wood	102302
10.4 cm	8 Aug 2006	Parsonage Wood	102302
10 cm	5 Oct 2004	Parsonage Wood	82659
9.7 cm	5 Oct 2004	Parsonage Wood	82659
9.3 cm	5 Oct 2004	Parsonage Wood	82659
9.2 cm	8 Aug 2006	Parsonage Wood	102302
9.2 cm	5 Oct 2004	Parsonage Wood	82659
9 cm	8 Aug 2006	Parsonage Wood	102302
8.6 cm	19 Sept 2007	Parsonage Wood	107234

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
Park Farm	24 Jul 1997	13 May 2014	4
Downstream Chess Bridge	13 May 2014	13 May 2014	1
Parsonage Wood	5 Oct 2004	19 Sept 2007	4
North Park Farm sq	20 Aug 2002	20 Aug 2002	1
North Park Farm Q	17 Dec 1997	17 Dec 1997	1

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.

297

098

099

000

001

202

003

104

105

106

207

008

009

010

011

012

013

214

Fish measured by surveyors

Measured length distribution

See how the 52 measured fish were spread across different length ranges.

Smallest: 3.9 cm
Lower quarter: 5 cm
Median: 5.9 cm
Upper quarter: 8.5 cm
Largest: 78 cm

0–99 mm

100–199 mm

700–799 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 52 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 (0.002 kg)
Median: 0.1 oz (0.002 kg)
Upper quarter: 0.3 oz (0.0072 kg)
Heaviest: 1.3 oz (0.038 kg)

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

More fish in this river

Explore the Chess Stream

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

European eel Gudgeon Roach 3-spined stickleback Bullhead Brown / sea trout

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 →