RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Calder

Largest measured minnow: 9.8 cm

The largest minnow measured in Environment Agency surveys of the River Calder was 9.8 cm, recorded at Elland power Station d/s on 31 July 2006.

Across 2,519 measured minnow, the median measured length was 3.7 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 minnow records across England →

Most recent observation14 August 2025Dewsbury Fry Survey · 3,700 fish
Largest measured minnow
9.8 cm
Median length
3.7 cm
Fish measured
2,519
Survey locations
15

Individual EA measurements

Largest measured minnow

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
9.8 cm31 Jul 2006Elland power Station d/s101598
9.5 cm13 Aug 2013Elland power Station d/s140064
9.2 cm25 Jul 2005Elland power Station d/s85371
8.9 cm20 Sept 2007Dewsbury (end of flood relief channel)108391
8.9 cm21 Jul 2006Cornmill Weir101594
8.8 cm13 Aug 2013Elland power Station d/s140064
8.8 cm28 Jul 2008Dewsbury (end of flood relief channel)114230
8.8 cm22 Jul 2004Elland power Station d/s83553
8.5 cm13 Aug 2013Elland power Station d/s140064
8.5 cm28 Jul 2008Dewsbury (end of flood relief channel)114230

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where minnow were found

Each point marks a survey location with at least one minnow 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 minnow
Dewsbury Fry Survey22 Aug 201714 Aug 20255
Dewsbury (end of flood relief channel)17 Sept 200423 Jul 20248
Elland power Station d/s8 Jul 20022 Jul 202413
Chantry Bridge10 Jul 200224 Jun 20249
Brighouse - Fry Survey11 Sept 201016 Aug 20165
Smalley Bight7 Jul 200624 Jun 20152
Cornmill Weir12 Jul 199919 Jun 201511
Brighouse Industrial Estate9 Jul 20026 Jul 20108
Methley28 Jul 200628 Jul 20061
Ravensthorpe at weir (old site)11 Jul 200215 Jul 20032
Anchor Pits - Fry Survey22 Sept 199926 Sept 20024
Downstream Sowerby Bridge5 Jul 19995 Jul 19991
Brookfoot5 Jul 19995 Jul 19991
Elland Weirs2 Jul 19992 Jul 19991
Elland - Fry Survey21 Sept 198417 Sept 199712

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

1984–2025

Survey records by year

Each bar shows how many survey visits recorded minnow that year.

Fish measured by surveyors

Measured length distribution

See how the 2,519 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
2.7 cm
Median
3.7 cm
Upper quarter
5.8 cm
Largest
9.8 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 Stone loach Bullhead Gudgeon Chub Roach

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 →