Stone loach · Barbatula barbatula

Stone loach in the Main River Axe

Largest measured stone loach: 12.4 cm

The largest stone loach measured in Environment Agency surveys of the Main River Axe was 12.4 cm, recorded at Downstream Highovers Weir on 28 June 1991.

Across 174 measured stone loach, the median measured length was 8 cm.

Surveyors recorded weights for 44 stone loach. The median was 0.3 oz (0.0075 kg) and the largest recorded weight was 0.6 oz (0.017 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 Axe.

See stone loach records across England →

Most recent observation16 October 2025Ford

Largest measured stone loach: 12.4 cm
Median length: 8 cm
Fish measured: 174
Survey locations: 7

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.

Length	Survey date	Survey location	Survey ID
12.4 cm	28 Jun 1991	Downstream Highovers Weir	80703
12 cm	28 Jun 1991	Downstream Highovers Weir	80703
11.5 cm	28 Jun 1991	Downstream Highovers Weir	80703
11 cm	28 Jun 1991	Downstream Highovers Weir	80703
10.9 cm	28 Jun 1991	Downstream Highovers Weir	80703
10.9 cm	28 Jun 1991	Downstream Highovers Weir	80703
10.8 cm	28 Jun 1991	Upstream Longwater	80704
10.8 cm	28 Jun 1991	Downstream Highovers Weir	80703
10.8 cm	28 Jun 1991	Downstream Highovers Weir	80703
10.8 cm	28 Jun 1991	Downstream Highovers Weir	80703

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 surveyed	First recorded	Last recorded	Visits finding stone loach
Ford	23 Aug 2011	16 Oct 2025	2
Riverside Farm (Te)	27 Jun 2003	4 Jul 2013	5
Clewer (Te)	13 Jul 2010	4 Jul 2013	2
Batch Farm	23 Aug 2011	23 Aug 2011	1
Knowle	1 Jul 1991	1 Jul 1991	1
Upstream Longwater	28 Jun 1991	28 Jun 1991	1
Downstream Highovers Weir	28 Jun 1991	28 Jun 1991	1

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

1991–2025

Survey records by year

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

391

092

093

094

095

096

097

098

099

000

001

002

103

104

005

006

007

008

109

210

211

012

213

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 174 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 7.2 cm
Median: 8 cm
Upper quarter: 8.7 cm
Largest: 12.4 cm

0–99 mm

158

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 44 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.2 oz (0.006 kg)
Median: 0.3 oz (0.0075 kg)
Upper quarter: 0.4 oz (0.0102 kg)
Heaviest: 0.6 oz (0.017 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 Axe

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

Roach Gudgeon Pike European eel 3-spined stickleback Perch

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 →