Stone loach · Barbatula barbatula

Stone loach in the Warks Burn

Largest measured stone loach: 10 cm

The largest stone loach measured in Environment Agency surveys of the Warks Burn was 10 cm, recorded at Warks Burn upstream of bridge (WKAA) on 11 July 2009.

Across 72 measured stone loach, the median measured length was 7.8 cm.

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

See stone loach records across England →

Most recent observation6 July 2026Warks Burn the Barns

Largest measured stone loach: 10 cm
Median length: 7.8 cm
Fish measured: 72
Survey locations: 5

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
10 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427
9.5 cm	14 Jul 2008	Warks Burn at Stonehaugh	114327
9.4 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427
9.3 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427
9.3 cm	14 Jul 2008	Warks Burn at Stonehaugh	114327
9.1 cm	14 Jul 2008	Warks Burn at Stonehaugh	114327
9.1 cm	14 Jul 2008	Warks Burn at Stonehaugh	114327
9 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427
9 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427
9 cm	11 Jul 2009	Warks Burn upstream of bridge (WKAA)	120427

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
Warks Burn upstream of bridge (WKAA)	25 Jul 1997	6 Jul 2026	20
Warks Burn the Barns	30 Jul 1993	6 Jul 2026	8
Warks Burn at The MIll	12 Aug 2005	6 Jul 2026	3
Warks Burn at Whygate	8 Aug 2014	8 Aug 2014	1
Warks Burn at Stonehaugh	14 Jul 2008	14 Jul 2008	1

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

1993–2026

Survey records by year

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

193

094

195

096

297

098

099

000

101

102

103

104

305

106

107

408

109

110

011

012

113

414

015

116

117

018

119

020

021

122

123

124

025

326

Fish measured by surveyors

Measured length distribution

See how the 72 measured fish were spread across different length ranges.

Smallest: 4.9 cm
Lower quarter: 6.3 cm
Median: 7.8 cm
Upper quarter: 8.5 cm
Largest: 10 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Warks Burn

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

Brown / sea trout Minnow Atlantic salmon European eel

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 →