Chub · Leuciscus cephalus

Chub in the River Ouse

Largest measured chub: 55.5 cm

The largest chub measured in Environment Agency surveys of the River Ouse was 55.5 cm, recorded at Linton-on-Ouse u/s weir (boom boat) on 1 August 1997.

Across 4,539 measured chub, the median measured length was 2.9 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 Ouse.

See chub records across England →

Most recent observation7 August 2025Naburn - Fry Survey · 24 fish
Largest measured chub
55.5 cm
Median length
2.9 cm
Fish measured
4,539
Survey locations
17

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
55.5 cm1 Aug 1997Linton-on-Ouse u/s weir (boom boat)110161
52.7 cm23 Jul 1999Linton-on-Ouse, below weir (single anode)105804
52.3 cm17 Jul 2014Linton-on-Ouse, below weir (single anode)141919
49.7 cm23 Jul 1999Linton-on-Ouse, below weir (single anode)105804
49.2 cm21 Jun 2013Linton-on-Ouse, below weir (single anode)136528
48 cm7 Jul 2015Linton-on-Ouse, below weir (single anode)145346
47.3 cm8 Jul 2024Beningbrough Village (single anode)165480
47.3 cm25 Jul 2007Linton-on-Ouse, below weir (single anode)106443
41.6 cm29 Jun 2022Beningbrough Village (single anode)161090
41.3 cm16 Jul 2014Beningbrough Village (single anode)141923

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
Naburn - Fry Survey25 Sept 20037 Aug 202513
Acaster - Fry Survey20 Sept 19847 Aug 202530
Naburn Weir (single anode)22 Jul 19966 Aug 202519
Beningbrough Village (single anode)24 Jul 19962 Jul 202525
Linton-on-Ouse u/s weir (single anode)1 Aug 199730 Jun 202511
Acaster Malbis (single anode)26 Jul 199626 Jun 202517
Linton-on-Ouse, below weir (single anode)25 Jul 19968 Jul 202419
Linton weir - u/s - Fry Survey29 Sept 199830 Aug 20122
Beningborough - Fry Survey20 Sept 19841 Sept 200923
Nether Poppleton (single anode)6 Aug 19975 Jul 20058
Nether Poppleton (boom boat)18 Jul 20019 Jul 20033
Beningbrough Village (seine net site)18 Jul 200012 Jul 20023
Beningbrough Village (boom boat site)26 Jul 199612 Jul 20022
Linton-on-Ouse u/s weir (boom boat)23 Jul 199611 Jul 20023
Linton-on-Ouse u/s (seine netting site)23 Jul 199616 Jul 20015
Naburn Weir (seine net)22 Jul 199622 Jul 19961
Naburn Weir (boom boat site)22 Jul 199622 Jul 19961

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 4,539 measured fish were spread across different length ranges.

Smallest
1.1 cm
Lower quarter
2.3 cm
Median
2.9 cm
Upper quarter
3.6 cm
Largest
55.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ouse

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

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 →