RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Dean

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the River Dean was 11.7 cm, recorded at Dede25 on 26 September 2002.

Across 74 measured stone loach, the median measured length was 8 cm.

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

See stone loach records across England →

Most recent observation14 June 2013Dede25
Largest measured stone loach
11.7 cm
Median length
8 cm
Fish measured
74
Survey locations
12

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.

LengthSurvey dateSurvey locationSurvey ID
11.7 cm26 Sept 2002Dede2564420
11.5 cm18 Sept 2002Dede1064360
11.4 cm18 Sept 2002Dede1064360
11.2 cm18 Sept 2002Dede1064360
10.8 cm26 Sept 2002Dede2564420
10.3 cm18 Sept 2002Dede1064360
10.1 cm18 Sept 2002Dede1064360
10 cm18 Sept 2002Dede1064360
10 cm18 Sept 2002Dede1064360
9.8 cm18 Sept 2002Dede1064360

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 surveyedFirst recordedLast recordedVisits finding stone loach
Dede2526 Sept 200214 Jun 20133
Dede2018 Sept 200218 Sept 20021
Dede1518 Sept 200218 Sept 20021
Dede1018 Sept 200218 Sept 20021
De0621 Aug 199621 Aug 19961
De0819 Aug 199619 Aug 19961
De0719 Aug 199619 Aug 19961
De0415 Aug 199615 Aug 19961
De1413 Aug 199613 Aug 19961
De1013 Aug 199613 Aug 19961
De0913 Aug 199613 Aug 19961
De116 Aug 19966 Aug 19961

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

1996–2013

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 74 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
5.7 cm
Median
8 cm
Upper quarter
9.1 cm
Largest
11.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dean

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

Brown / sea trout Bullhead Minnow Chub Roach Dace

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 →