RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Main River Isle

Largest measured stone loach: 11.1 cm

The largest stone loach measured in Environment Agency surveys of the Main River Isle was 11.1 cm, recorded at Hort Bridge on 7 July 2010.

Across 361 measured stone loach, the median measured length was 7.4 cm.

Surveyors recorded weights for 60 stone loach. The median was 0.2 oz (0.005 kg) and the largest recorded weight was 3.5 oz (0.1 kg).

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

See stone loach records across England →

Most recent observation30 June 2022Hort Bridge
Largest measured stone loach
11.1 cm
Median length
7.4 cm
Fish measured
361
Survey locations
13

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
11.1 cm7 Jul 2010Hort Bridge122684
10.8 cm18 Sept 2012Cocks Bridge (Te)133743
10.4 cm18 Sept 2012Cocks Bridge (Te)133743
10.4 cm18 Jun 1992Cocks Bridge (Te)80033
10.3 cm18 Jun 1992Cocks Bridge (Te)80033
10.2 cm18 Sept 2012Cocks Bridge (Te)133743
10.2 cm7 Jul 2010Hort Bridge122684
10.2 cm4 Jul 1997Winterhay Lane79518
10 cm18 Sept 2012Cocks Bridge (Te)133743
10 cm17 Jul 1997Bere Mills79513

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
Hort Bridge7 Jul 201030 Jun 20222
Cocks Bridge (Te)18 Jun 199216 Jun 202213
Ashford Farm (Te)29 May 199214 Jun 202210
Ilford Bridges (Te)12 May 200323 Jun 20166
Midelney24 May 201111 Jul 20132
Hambridge24 May 201124 May 20111
Manor Farm, Knowle St. Giles (Se-06)2 Jun 20062 Jun 20061
Bere Mills26 Jun 199217 Jul 19972
Donyatt25 Jun 19927 Jul 19972
Winterhay Lane19 Jun 19924 Jul 19972
Isle Brewers9 Jun 19922 May 19972
Downstream Westport Canal22 Apr 199722 Apr 19971
Earnshill House19 May 199219 May 19921

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

1992–2022

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 361 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
6.5 cm
Median
7.4 cm
Upper quarter
8.3 cm
Largest
11.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 60 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.002 kg)
Median
0.2 oz (0.005 kg)
Upper quarter
0.3 oz (0.008 kg)
Heaviest
3.5 oz (0.1 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main River Isle

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

European eel Minnow Chub Dace Roach Bullhead

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 →