Stone loach · Barbatula barbatula

Stone loach in the River Rother

Largest measured stone loach: 11 cm

The largest stone loach measured in Environment Agency surveys of the River Rother was 11 cm, recorded at Stonegate on 23 August 2016.

Across 70 measured stone loach, the median measured length was 7.8 cm.

Surveyors recorded weights for 3 stone loach. The median was 0.2 oz (0.006 kg) and the largest recorded weight was 0.2 oz (0.006 kg).

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

See stone loach records across England →

Most recent observation5 August 2025Salehurst · 5 fish

Largest measured stone loach: 11 cm
Median length: 7.8 cm
Fish measured: 70
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.

Length	Survey date	Survey location	Survey ID
11 cm	23 Aug 2016	Stonegate	149128
11 cm	23 Aug 2016	Stonegate	149128
10.8 cm	8 Aug 2013	Stonegate	137761
10.6 cm	26 Oct 2016	Witherenden Farm d/s Weir	149933
10.5 cm	23 Aug 2016	Stonegate	149128
10.1 cm	26 Oct 2016	Witherenden Farm d/s Weir	149933
10 cm	26 Oct 2016	Witherenden Farm d/s Weir	149933
10 cm	27 Jul 2016	Salehurst	148723
9.8 cm	17 Sept 2014	Stonegate	142840
9.7 cm	26 Oct 2016	Witherenden Farm d/s Weir	149933

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
Salehurst	13 Sept 2002	5 Aug 2025	11
Witherenden Farm d/s Weir	26 Oct 2016	26 Oct 2016	1
Stonegate	8 Aug 2013	23 Aug 2016	3

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

2002–2025

Survey records by year

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

102

103

004

005

106

107

108

109

110

011

012

213

114

015

316

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 70 measured fish were spread across different length ranges.

Smallest: 4.2 cm
Lower quarter: 7 cm
Median: 7.8 cm
Upper quarter: 8.8 cm
Largest: 11 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.006 kg)
Lower quarter: 0.2 oz (0.006 kg)
Median: 0.2 oz (0.006 kg)
Upper quarter: 0.2 oz (0.006 kg)
Heaviest: 0.2 oz (0.006 kg)

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

More fish in this river

Explore the River Rother

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

Roach Chub Perch Gudgeon European eel Pike

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 →