RiverFish

Chub · Leuciscus cephalus

Chub in the River Nidd

Largest measured chub: 53.6 cm

The largest chub measured in Environment Agency surveys of the River Nidd was 53.6 cm, recorded at Nun Monkton on 8 July 2010.

Across 1,840 measured chub, the median measured length was 4 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 chub records across England →

Most recent observation13 August 2025Kirk Hammerton - Fry Survey · 186 fish
Largest measured chub
53.6 cm
Median length
4 cm
Fish measured
1,840
Survey locations
12

Individual EA measurements

Largest measured chub

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

LengthSurvey dateSurvey locationSurvey ID
53.6 cm8 Jul 2010Nun Monkton122971
52.9 cm10 Jul 2014Cowthorpe141648
51.5 cm27 Aug 2003Nun Monkton78452
51.4 cm29 Jun 2015Kirk Hammerton145309
51.3 cm19 Jul 2018Cowthorpe152891
51 cm21 Jun 2022Cowthorpe161163
50.1 cm2 Jul 2019Cowthorpe154897
49.9 cm29 Jun 2015Kirk Hammerton145309
49.8 cm21 Jun 2022Cowthorpe161163
49.5 cm12 Jul 2010Kirk Hammerton122956

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

Explore the river

Where chub were found

Each point marks a survey location with at least one chub 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 chub
Kirk Hammerton - Fry Survey20 Sept 198413 Aug 202527
Moor Monkton17 Jul 202517 Jul 20251
Knaresborough Bypass26 Aug 20039 Jul 202511
Ribston Park (NEW 2018)18 Jul 20248 Jul 20252
Cowthorpe23 Aug 20027 Jul 202519
Skip Bridge16 Jul 202423 Jun 20252
Nun Monkton21 Aug 200218 Jul 201713
Ribston Park22 Aug 200213 Jul 201712
Kirk Hammerton21 Aug 200223 Jun 201612
Conyngham Hall28 Sept 201528 Sept 20151
Scotton Mill14 Jun 20059 Sept 20152
Goldsborough22 Jul 201522 Jul 20151

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 chub that year.

Fish measured by surveyors

Measured length distribution

See how the 1,840 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
2.6 cm
Median
4 cm
Upper quarter
15 cm
Largest
53.6 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.

Minnow Bullhead Stone loach Grayling Brown / sea trout 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 →