Stone loach · Barbatula barbatula

Stone loach in the Tadburn Lake

Largest measured stone loach: 12.7 cm

The largest stone loach measured in Environment Agency surveys of the Tadburn Lake was 12.7 cm, recorded at Ashdown Way on 3 April 2012.

Across 9 measured stone loach, the median measured length was 10.2 cm.

Surveyors recorded weights for 8 stone loach. The median was 0.4 oz (0.011 kg) and the largest recorded weight was 0.5 oz (0.014 kg).

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

See stone loach records across England →

Most recent observation18 September 2025Crampmoor Ford · 9 fish

Largest measured stone loach: 12.7 cm
Median length: 10.2 cm
Fish measured: 9
Survey locations: 4

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
12.7 cm	3 Apr 2012	Ashdown Way	131050
11.8 cm	12 Aug 2005	Ashdown Way	86394
10.9 cm	12 Aug 2005	Ashdown Way	86394
10.3 cm	12 Aug 2005	Ashdown Way	86394
10.2 cm	12 Aug 2005	Ashdown Way	86394
10.2 cm	12 Aug 2005	Ashdown Way	86394
9.7 cm	12 Aug 2005	Ashdown Way	86394
9.5 cm	12 Aug 2005	Ashdown Way	86394
5.5 cm	16 Oct 2006	Ashdown Way	102311

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
Crampmoor Ford	20 Jul 2018	18 Sept 2025	8
Ashdown Way	6 Sept 2002	9 Sept 2025	13
u/s Straight Mile	2 Oct 2015	2 Oct 2015	1
d/s Crampmoor fish farm	20 Sept 2001	20 Sept 2001	1

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

2001–2025

Survey records by year

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

101

102

003

104

105

106

007

008

009

010

011

112

013

014

115

016

017

218

219

220

221

222

223

224

225

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest: 5.5 cm
Lower quarter: 9.7 cm
Median: 10.2 cm
Upper quarter: 10.9 cm
Largest: 12.7 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 8 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: 0.3 oz (0.0085 kg)
Median: 0.4 oz (0.011 kg)
Upper quarter: 0.4 oz (0.012 kg)
Heaviest: 0.5 oz (0.014 kg)

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

More fish in this river

Explore the Tadburn Lake

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

Brown / sea trout Bullhead 3-spined stickleback European eel Topmouth gudgeon Brook lamprey

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 →