Stone loach · Barbatula barbatula

Stone loach in the River Ouse Tributaries

Largest measured stone loach: 11.9 cm

The largest stone loach measured in Environment Agency surveys of the River Ouse Tributaries was 11.9 cm, recorded at North End on 22 August 2003.

Across 32 measured stone loach, the median measured length was 7.5 cm.

Surveyors recorded weights for 32 stone loach. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.5 oz (0.013 kg).

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

See stone loach records across England →

Most recent observation15 August 2013Pellingford Brook · 6 fish

Largest measured stone loach: 11.9 cm
Median length: 7.5 cm
Fish measured: 32
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
11.9 cm	22 Aug 2003	North End	77002
11.7 cm	22 Aug 2003	North End	77002
11.6 cm	22 Aug 2003	North End	77002
11.4 cm	22 Aug 2003	North End	77002
11.3 cm	22 Aug 2003	North End	77002
11.2 cm	22 Aug 2003	North End	77002
11.2 cm	22 Aug 2003	North End	77002
11 cm	22 Aug 2003	North End	77002
10.9 cm	22 Aug 2003	North End	77002
10.4 cm	22 Aug 2003	North End	77002

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
Pellingford Brook	26 Aug 2003	15 Aug 2013	2
North End	22 Aug 2003	6 Aug 2013	2
Sheffield Bluebell Railway Station Stream	27 Oct 2009	27 Oct 2009	1

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

2003–2013

Survey records by year

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

203

004

005

006

007

008

109

010

011

012

213

Fish measured by surveyors

Measured length distribution

See how the 32 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 6 cm
Median: 7.5 cm
Upper quarter: 10.9 cm
Largest: 11.9 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 32 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 (0.003 kg)
Upper quarter: 0.3 oz (0.0095 kg)
Heaviest: 0.5 oz (0.013 kg)

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

More fish in this river

Explore the River Ouse Tributaries

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

Brown / sea trout Dace Bullhead Roach Gudgeon Chub

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 →