RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Westwick water course

Largest measured stone loach: 10 cm

The largest stone loach measured in Environment Agency surveys of the Westwick water course was 10 cm, recorded at Swanton Abbott , Aylsham Road bridge d/s on 7 January 2004.

Across 38 measured stone loach, the median measured length was 7.7 cm.

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

See stone loach records across England →

Most recent observation23 March 2016Brampton , Stake Bridge d/s · 1 fish
Largest measured stone loach
10 cm
Median length
7.7 cm
Fish measured
38
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.

LengthSurvey dateSurvey locationSurvey ID
10 cm7 Jan 2004Swanton Abbott , Aylsham Road bridge d/s99998
9.6 cm9 Jan 2004Swanton Abbott , Low Common bridge d/s99997
9.3 cm9 Jan 2004Swanton Abbott , Low Common bridge d/s99997
9.2 cm23 Mar 2016Brampton , Stake Bridge d/s148128
9 cm21 Jan 2010Brampton , Stake Bridge d/s121193
9 cm9 Jan 2004Swanton Abbott , Low Common bridge d/s99997
8.9 cm7 Jan 2004Swanton Abbott , Aylsham Road bridge d/s99998
8.8 cm21 Jan 2010Brampton , Stake Bridge d/s121193
8.8 cm21 Jan 2010Brampton , Stake Bridge d/s121193
8.8 cm7 Jan 2004Swanton Abbott , Aylsham Road bridge d/s99998

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
Brampton , Stake Bridge d/s9 Jan 200423 Mar 20163
Swanton Abbott , Low Common bridge d/s9 Jan 20049 Jan 20041
Swanton Abbott , Aylsham Road bridge d/s7 Jan 20047 Jan 20041

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

2004–2016

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 38 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
6.3 cm
Median
7.7 cm
Upper quarter
8.8 cm
Largest
10 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Westwick water course

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

3-spined stickleback Dace 10-spined stickleback

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 →