RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Blyth

Largest measured stone loach: 10.5 cm

The largest stone loach measured in Environment Agency surveys of the River Blyth was 10.5 cm, recorded at River Blyth at Thornyford on 12 October 2008.

Across 14 measured stone loach, the median measured length was 8.7 cm.

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

See stone loach records across England →

Most recent observation24 July 2024River Blyth at Humford Mill
Largest measured stone loach
10.5 cm
Median length
8.7 cm
Fish measured
14
Survey locations
13

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.

LengthSurvey dateSurvey locationSurvey ID
10.5 cm12 Oct 2008River Blyth at Thornyford115454
10.4 cm12 Oct 2008River Blyth at Thornyford115454
10.1 cm12 Oct 2008River Blyth at Thornyford115454
9.8 cm12 Oct 2008River Blyth at Thornyford115454
9.8 cm12 Oct 2008River Blyth at Thornyford115454
9 cm12 Oct 2008River Blyth at Thornyford115454
8.8 cm12 Oct 2008River Blyth at Thornyford115454
8.5 cm12 Oct 2008River Blyth at Thornyford115454
8.5 cm12 Oct 2008River Blyth at Thornyford115454
7.9 cm12 Oct 2008Cadgers Burn at Kirkley Hall115328

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 surveyedFirst recordedLast recordedVisits finding stone loach
River Blyth at Plessey Farm19 Oct 199324 Jul 202411
River Blyth at Humford Mill1 Oct 200824 Jul 202410
How Burn at Whiteside30 Jul 201210 Jul 20242
River Blyth at Thornyford20 Oct 199327 Jun 20165
Cadgers Burn at Kirkley Hall12 Oct 20084 Jul 20142
River Blyth at Bellasis Bridge20 Oct 199326 Jul 20132
River Blyth at Shilvington Bridge2 Aug 20122 Aug 20121
River Blyth at Stannington Bridge1 Aug 20121 Aug 20121
Catraw Burn1 Aug 20121 Aug 20121
River Blyth at Howburn Bridge (WFD Site)4 Jul 20114 Jul 20111
River Blyth at Humsford (c)27 Jun 200527 Jun 20051
River Blyth at Hartford Scout Camp20 Oct 199320 Oct 19931
East Trewick20 Oct 199320 Oct 19931

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

1993–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 14 measured fish were spread across different length ranges.

Smallest
6.8 cm
Lower quarter
7.8 cm
Median
8.7 cm
Upper quarter
9.8 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blyth

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

Brown / sea trout Minnow 3-spined stickleback European eel Grayling Gudgeon

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 →