RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Alconbury Brook

Largest measured stone loach: 14.6 cm

The largest stone loach measured in Environment Agency surveys of the Alconbury Brook was 14.6 cm, recorded at Brampton Racecourse on 27 May 2015.

Across 40 measured stone loach, the median measured length was 6.4 cm.

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

See stone loach records across England →

Most recent observation27 May 2015Brampton Racecourse · 3 fish
Largest measured stone loach
14.6 cm
Median length
6.4 cm
Fish measured
40
Survey locations
2

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
14.6 cm27 May 2015Brampton Racecourse144787
8.8 cm29 Jun 1998Brampton Racecourse29080
8.7 cm27 May 2015Brampton Racecourse144787
8.2 cm4 Apr 2011Alconbury Village126059
8 cm27 May 2015Brampton Racecourse144787
8 cm4 Apr 2011Alconbury Village126059
7.8 cm4 Apr 2011Brampton Racecourse126058
7.7 cm4 Apr 2011Alconbury Village126059
7.6 cm4 Apr 2011Brampton Racecourse126058
7.3 cm4 Apr 2011Alconbury Village126059

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 Racecourse29 Jun 199827 May 20153
Alconbury Village4 Apr 201122 May 20152

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

1998–2015

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 40 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
5.1 cm
Median
6.4 cm
Upper quarter
7.3 cm
Largest
14.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Alconbury Brook

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

Pike European eel Roach Perch Chub 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 →