Stone loach · Barbatula barbatula

Stone loach in the Main River Parrett

Largest measured stone loach: 12.2 cm

The largest stone loach measured in Environment Agency surveys of the Main River Parrett was 12.2 cm, recorded at Downstream Petherton Bridge on 8 June 1994.

Across 224 measured stone loach, the median measured length was 7.8 cm.

Surveyors recorded weights for 52 stone loach. The median was 0.3 oz (0.008 kg) and the largest recorded weight was 0.8 oz (0.022 kg).

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

See stone loach records across England →

Most recent observation31 July 2014Thorney Moor (Te) · 4 fish

Largest measured stone loach: 12.2 cm
Median length: 7.8 cm
Fish measured: 224
Survey locations: 13

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
12.2 cm	8 Jun 1994	Downstream Petherton Bridge	79624
11.9 cm	5 Jul 1994	Upstream Lopen Brook	79613
11.2 cm	13 Aug 2013	Gawbridge	139711
11 cm	30 Jun 1994	Between Haslebury Bridges (Se-06)	79610
10.9 cm	12 Jul 1994	North Perrott	79609
10.8 cm	2 Aug 2011	Bow Barn Farm	127308
10.7 cm	5 Jul 1994	Upstream Lopen Brook	79613
10.7 cm	8 Jun 1994	Downstream Petherton Bridge	79624
10.6 cm	13 Aug 2013	Gawbridge	139711
10.6 cm	13 Aug 2013	Gawbridge	139711

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
Thorney Moor (Te)	23 Sept 2003	31 Jul 2014	4
Downstream Lecher Water	15 Jul 1994	15 Aug 2013	3
Bow Barn Farm	30 Sept 2009	14 Aug 2013	3
Gawbridge	13 Sept 2005	13 Aug 2013	4
Haselbury Mill	10 Jul 2009	3 Aug 2011	2
Between Haslebury Bridges (Se-06)	30 Jun 1994	15 May 2006	2
South Petherton (Te)	18 Sept 2003	7 Sept 2005	2
North Perrott	12 Jul 1994	12 Jul 1994	1
Upstream Lopen Brook	5 Jul 1994	5 Jul 1994	1
Upstream Broad River	29 Jun 1994	29 Jun 1994	1
Downstream Petherton Bridge	8 Jun 1994	8 Jun 1994	1
Downstream Gawbridge Mill	2 Jun 1994	2 Jun 1994	1
Upstream Combe Bridge	1 Jun 1994	1 Jun 1994	1

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

1994–2014

Survey records by year

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

894

095

096

097

098

099

000

001

002

203

004

205

106

007

008

409

110

411

012

313

114

Fish measured by surveyors

Measured length distribution

See how the 224 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 4.4 cm
Median: 7.8 cm
Upper quarter: 9.1 cm
Largest: 12.2 cm

0–99 mm

200

100–199 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: 0.1 oz (0.002 kg)
Lower quarter: 0.2 oz (0.0068 kg)
Median: 0.3 oz (0.008 kg)
Upper quarter: 0.4 oz (0.01 kg)
Heaviest: 0.8 oz (0.022 kg)

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

More fish in this river

Explore the Main River Parrett

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

European eel Minnow Roach Bullhead 3-spined stickleback 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 →