Stone loach · Barbatula barbatula

Stone loach in the River Cockhaise

Largest measured stone loach: 12 cm

The largest stone loach measured in Environment Agency surveys of the River Cockhaise was 12 cm, recorded at Wildboar Bridge on 26 June 2001.

Across 49 measured stone loach, the median measured length was 9.4 cm.

Surveyors recorded weights for 3 stone loach. The median was 0.4 oz (0.01 kg) and the largest recorded weight was 0.5 oz (0.015 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 Cockhaise.

See stone loach records across England →

Most recent observation31 July 2024Wildboar Bridge · 13 fish

Largest measured stone loach: 12 cm
Median length: 9.4 cm
Fish measured: 49
Survey locations: 1

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 cm	26 Jun 2001	Wildboar Bridge	51877
11.4 cm	31 Jul 2024	Wildboar Bridge	166432
11.3 cm	20 Sept 2023	Wildboar Bridge	163716
11.2 cm	31 Jul 2024	Wildboar Bridge	166432
11 cm	26 Jun 2001	Wildboar Bridge	51877
10.9 cm	20 Sept 2023	Wildboar Bridge	163716
10.8 cm	20 Sept 2023	Wildboar Bridge	163716
10.6 cm	20 Sept 2023	Wildboar Bridge	163716
10.5 cm	31 Jul 2024	Wildboar Bridge	166432
10.1 cm	20 Sept 2023	Wildboar Bridge	163716

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
Wildboar Bridge	26 Jun 2001	31 Jul 2024	8

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

2001–2024

Survey records by year

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

101

002

003

004

005

006

007

008

109

010

111

012

113

014

115

016

117

018

019

020

021

022

123

124

Fish measured by surveyors

Measured length distribution

See how the 49 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 8.7 cm
Median: 9.4 cm
Upper quarter: 9.8 cm
Largest: 12 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 3 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.006 kg)
Lower quarter: 0.3 oz (0.008 kg)
Median: 0.4 oz (0.01 kg)
Upper quarter: 0.4 oz (0.0125 kg)
Heaviest: 0.5 oz (0.015 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 Cockhaise

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

Brown / sea trout Perch European eel Bullhead Minnow Gudgeon

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 →