Stone loach · Barbatula barbatula

Stone loach in the River Adur West Arm

Largest measured stone loach: 11.7 cm

The largest stone loach measured in Environment Agency surveys of the River Adur West Arm was 11.7 cm, recorded at Slaughter Bridge on 8 August 2005.

Across 129 measured stone loach, the median measured length was 8.2 cm.

Surveyors recorded weights for 129 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 Adur West Arm.

See stone loach records across England →

Most recent observation15 April 2014Tenchford Bridge · 2 fish

Largest measured stone loach: 11.7 cm
Median length: 8.2 cm
Fish measured: 129
Survey locations: 2

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
11.7 cm	8 Aug 2005	Slaughter Bridge	87407
11.5 cm	8 Aug 2005	Slaughter Bridge	87407
10.9 cm	8 Aug 2005	Slaughter Bridge	87407
10.5 cm	8 Aug 2005	Slaughter Bridge	87407
10.5 cm	4 Jul 2003	Slaughter Bridge	76699
10.4 cm	7 Aug 2007	Slaughter Bridge	106981
10.4 cm	7 Aug 2006	Slaughter Bridge	102301
10.1 cm	8 Aug 2005	Slaughter Bridge	87407
9.9 cm	7 Aug 2007	Slaughter Bridge	106981
9.9 cm	9 Sept 2002	Slaughter Bridge	63460

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
Tenchford Bridge	15 Apr 2014	15 Apr 2014	1
Slaughter Bridge	9 Sept 2002	7 Aug 2007	5

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

2002–2014

Survey records by year

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

102

103

004

105

106

107

008

009

010

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 129 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 7.5 cm
Median: 8.2 cm
Upper quarter: 9 cm
Largest: 11.7 cm

0–99 mm

121

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 129 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 (0.004 kg)
Median: 0.2 oz (0.005 kg)
Upper quarter: 0.2 oz (0.007 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 Adur West Arm

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

Roach Pike European eel Perch Rudd Chub

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 →