Stone loach · Barbatula barbatula

Stone loach in the River Cuckmere

Largest measured stone loach: 11.5 cm

The largest stone loach measured in Environment Agency surveys of the River Cuckmere was 11.5 cm, recorded at Horselunges Bridge on 28 August 2024.

Across 366 measured stone loach, the median measured length was 8 cm.

Surveyors recorded weights for 274 stone loach. The median was 0.2 oz (0.005 kg) and the largest recorded weight was 0.5 oz (0.015 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 Cuckmere.

See stone loach records across England →

Most recent observation8 November 2024Michelham Priory Road Bridge Downstream · 5 fish

Largest measured stone loach: 11.5 cm
Median length: 8 cm
Fish measured: 366
Survey locations: 9

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
11.5 cm	28 Aug 2024	Horselunges Bridge	166931
11.5 cm	15 Sept 2008	Michelham Priory	114498
11.5 cm	29 Aug 2006	Horselunges Bridge	102578
11 cm	4 Sept 2002	Sheepwash Bridge	61249
10.9 cm	21 Sept 2005	Horselunges Bridge	87669
10.8 cm	21 Sept 2005	Horselunges Bridge	87669
10.8 cm	15 Sept 1999	Sheepwash Bridge	52014
10.7 cm	15 Sept 1999	Sheepwash Bridge	52014
10.6 cm	21 Sept 2005	Horselunges Bridge	87669
10.6 cm	10 Sept 2004	Grove Bridge	82184

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
Michelham Priory Road Bridge Downstream	8 Nov 2024	8 Nov 2024	1
Horselunges Bridge	9 Sept 1999	28 Aug 2024	12
Upstream Tumblers Gate	27 Aug 2021	27 Aug 2021	1
Michelham Priory	12 Oct 1999	19 Sept 2018	10
Sheepwash Bridge	15 Sept 1999	17 Sept 2018	5
Mill Bridge	10 Sept 2013	10 Sept 2013	1
Sessingham Farm	21 Oct 2009	2 Nov 2010	2
Grove Bridge	10 Sept 2004	10 Sept 2004	1
Boship Bridge	11 Oct 1999	11 Oct 1999	1

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

1999–2024

Survey records by year

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

499

000

001

202

203

404

205

106

207

208

309

210

011

012

313

014

115

016

017

318

019

020

121

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 366 measured fish were spread across different length ranges.

Smallest: 2.8 cm
Lower quarter: 6.9 cm
Median: 8 cm
Upper quarter: 8.8 cm
Largest: 11.5 cm

0–99 mm

333

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 274 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 (0.003 kg)
Median: 0.2 oz (0.005 kg)
Upper quarter: 0.2 oz (0.006 kg)
Heaviest: 0.5 oz (0.015 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 Cuckmere

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

Chub Roach European eel Gudgeon Perch 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 →