RiverFish

Minnow · Phoxinus phoxinus

Minnow in the River Nidd

Largest measured minnow: 8.8 cm

The largest minnow measured in Environment Agency surveys of the River Nidd was 8.8 cm, recorded at Lofthouse d/s on 21 August 2013.

Across 3,412 measured minnow, the median measured length was 3.9 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 Nidd.

See minnow records across England →

Most recent observation21 August 2025Lofthouse d/s
Largest measured minnow
8.8 cm
Median length
3.9 cm
Fish measured
3,412
Survey locations
20

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
8.8 cm21 Aug 2013Lofthouse d/s138502
8.5 cm30 Jun 2022Ribston Park (NEW 2018)161175
8.4 cm25 Jun 2015Knaresborough Bypass145167
8.3 cm25 Jun 2015Knaresborough Bypass145167
8.2 cm8 Sept 2021Lofthouse d/s160334
8.2 cm9 Sept 2015Scotton Mill146305
8.2 cm9 Sept 2015Scotton Mill146305
8.2 cm21 Aug 2013Lofthouse d/s138502
8.2 cm5 Jul 2011Knaresborough Bypass127090
8.1 cm24 Sept 2015u/s Pately Bridge146704

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
Lofthouse d/s19 Sept 200121 Aug 202510
Kirk Hammerton - Fry Survey20 Sept 198413 Aug 202529
Moor Monkton27 Jun 202217 Jul 20252
Knaresborough Bypass26 Aug 20039 Jul 202516
Ribston Park (NEW 2018)3 Jul 20198 Jul 20254
Cowthorpe23 Aug 20027 Jul 202517
Skip Bridge16 Jul 202423 Jun 20252
Scotton Mill14 Jun 200512 Sept 20245
Summerbridge9 Jun 20054 Sept 20244
Newhouses4 Sept 20244 Sept 20241
Nun Monkton21 Aug 200222 Jul 201912
Ribston Park26 Aug 20033 Jul 201914
Kirk Hammerton21 Aug 200223 Jun 201612
Conyngham Hall28 Sept 201528 Sept 20151
u/s Pately Bridge13 Jun 200524 Sept 20153
u/s Hampsthwaite Bridge9 Jun 20057 Sept 20152
Birstwith13 Jun 20057 Sept 20152
Goldsborough22 Jul 201522 Jul 20151
Killinghall14 Jun 200514 Jun 20051
d/s Glasshouse WTW13 Jun 200513 Jun 20051

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 3,412 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
2.7 cm
Median
3.9 cm
Upper quarter
5.1 cm
Largest
8.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nidd

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

Bullhead Stone loach Grayling Brown / sea trout European eel 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 →