Stone loach · Barbatula barbatula

Stone loach in the River Cam

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the River Cam was 11.7 cm, recorded at Wales Bridge, Wales on 15 March 1994.

Across 24 measured stone loach, the median measured length was 10.4 cm.

Surveyors recorded weights for 22 stone loach. The median was 0.5 oz (0.013 kg) and the largest recorded weight was 0.7 oz (0.019 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 Cam.

See stone loach records across England →

Most recent observation9 July 2019Bridgehampton

Largest measured stone loach: 11.7 cm
Median length: 10.4 cm
Fish measured: 24
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	15 Mar 1994	Wales Bridge, Wales	79902
11.5 cm	15 Mar 1994	Wales Bridge, Wales	79902
11.5 cm	15 Mar 1994	Wales Bridge, Wales	79902
11.5 cm	15 Mar 1994	Wales Bridge, Wales	79902
11.2 cm	29 Sept 1993	Frog Lane, West Camel	79903
11.1 cm	15 Mar 1994	Wales Bridge, Wales	79902
11 cm	15 Mar 1994	Wales Bridge, Wales	79902
10.9 cm	15 Mar 1994	Wales Bridge, Wales	79902
10.9 cm	28 Sept 1993	Bridgehampton	79904
10.8 cm	15 Mar 1994	Wales Bridge, Wales	79902

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
Bridgehampton	28 Sept 1993	9 Jul 2019	3
Wales Bridge, Wales	15 Mar 1994	15 Mar 1994	1
Frog Lane, West Camel	29 Sept 1993	29 Sept 1993	1

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

1993–2019

Survey records by year

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

293

194

095

096

097

098

099

000

001

002

003

004

005

006

007

008

009

110

011

012

013

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 24 measured fish were spread across different length ranges.

Smallest: 7.4 cm
Lower quarter: 9.5 cm
Median: 10.5 cm
Upper quarter: 11 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 22 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.4 oz (0.0102 kg)
Median: 0.5 oz (0.013 kg)
Upper quarter: 0.5 oz (0.015 kg)
Heaviest: 0.7 oz (0.019 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 Cam

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

European eel Chub Minnow 3-spined stickleback Dace 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 →