RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Calder

Largest measured stone loach: 12.8 cm

The largest stone loach measured in Environment Agency surveys of the River Calder was 12.8 cm, recorded at Elland power Station d/s on 22 July 2004.

Across 494 measured stone loach, the median measured length was 7.7 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 Calder.

See stone loach records across England →

Most recent observation27 August 2025Warmans Industrial Estate
Largest measured stone loach
12.8 cm
Median length
7.7 cm
Fish measured
494
Survey locations
22

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
12.8 cm22 Jul 2004Elland power Station d/s83553
12.5 cm22 Jul 2004Elland power Station d/s83553
11.9 cm22 Jul 2004Elland power Station d/s83553
11.8 cm28 Jul 2008Dewsbury (end of flood relief channel)114230
11.7 cm31 Jul 2006Elland power Station d/s101598
11.4 cm22 Jul 2004Elland power Station d/s83553
11.3 cm22 Jul 2004Elland power Station d/s83553
11.2 cm26 Aug 2003Eastwood S.T.W78665
11.1 cm22 Jul 2004Elland power Station d/s83553
11.1 cm26 Aug 2003Brearley Weir78656

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
Warmans Industrial Estate23 Jun 199927 Aug 20253
Dewsbury Fry Survey22 Aug 201714 Aug 20255
Dewsbury (end of flood relief channel)17 Sept 200423 Jul 20247
Elland power Station d/s8 Jul 20022 Jul 202413
Hebden Bridge Train Station15 Oct 202115 Oct 20211
Hebble End (Co-op Car Park)4 Aug 201515 Oct 20212
Brighouse - Fry Survey18 Aug 201516 Aug 20162
Smalley Bight7 Jul 200624 Jun 20152
Chantry Bridge10 Jul 200223 Jun 20158
Sands Mill (Dewsbury)22 Jun 201522 Jun 20151
Cornmill Weir12 Jul 199919 Jun 20159
Brighouse Industrial Estate9 Jul 20026 Jul 20107
Eastwood S.T.W26 Aug 200326 Aug 20031
Brearley Weir25 Jun 199926 Aug 20032
Ravensthorpe at weir (old site)11 Jul 200215 Jul 20032
Anchor Pits - Fry Survey26 Sept 200226 Sept 20021
Downstream Sowerby Bridge5 Jul 19995 Jul 19991
Brookfoot5 Jul 19995 Jul 19991
Elland Weirs2 Jul 19992 Jul 19991
High Royds S.T.W25 Jun 199925 Jun 19991
Todmorden Bus Station23 Jun 199923 Jun 19991
Elland - Fry Survey30 Sept 199830 Sept 19981

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

1998–2025

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 494 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
6.5 cm
Median
7.7 cm
Upper quarter
8.6 cm
Largest
12.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Calder

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

Brown / sea trout Bullhead Gudgeon Chub Roach Perch

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 →