Stone loach · Barbatula barbatula

Stone loach in the River Ravensbourne

Largest measured stone loach: 12.6 cm

The largest stone loach measured in Environment Agency surveys of the River Ravensbourne was 12.6 cm, recorded at Brook Mill Park Enhancement Site on 8 April 2008.

Across 58 measured stone loach, the median measured length was 8.8 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 Ravensbourne.

See stone loach records across England →

Most recent observation3 August 2011Adenmore Road
Largest measured stone loach
12.6 cm
Median length
8.8 cm
Fish measured
58
Survey locations
5

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
12.6 cm8 Apr 2008Brook Mill Park Enhancement Site110850
12.6 cm8 Apr 2008Brook Mill Park Enhancement Site110850
11.6 cm8 Apr 2008Cornmill Gardens110845
11.5 cm8 Apr 2008Cornmill Gardens110845
11 cm8 Apr 2008Brook Mill Park Enhancement Site110850
11 cm8 Apr 2008Brook Mill Park Enhancement Site110850
11 cm8 Apr 2008Brook Mill Park Enhancement Site110850
10.5 cm8 Apr 2008Brook Mill Park Rose Garden110847
10.1 cm8 Apr 2008Cornmill Gardens110845
10 cm8 Apr 2008Brook Mill Park Enhancement Site110850

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
Broadway Fields3 Aug 20113 Aug 20111
Adenmore Road3 Aug 20113 Aug 20111
Cornmill Gardens8 Apr 20088 Apr 20081
Brook Mill Park Rose Garden8 Apr 20088 Apr 20081
Brook Mill Park Enhancement Site8 Apr 20088 Apr 20081

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

2008–2011

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 58 measured fish were spread across different length ranges.

Smallest
5.6 cm
Lower quarter
8.5 cm
Median
8.9 cm
Upper quarter
9.7 cm
Largest
12.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ravensbourne

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

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 →