RiverFish

Chub · Leuciscus cephalus

Chub in the River Laleham Abbey

Largest measured chub: 9.5 cm

The largest chub measured in Environment Agency surveys of the River Laleham Abbey was 9.5 cm, recorded at Laleham Abbey Downstream Fry on 21 August 2018.

Across 1,069 measured chub, the median measured length was 3 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 Laleham Abbey.

See chub records across England →

Most recent observation3 September 2025Laleham Abbey Downstream Fry · 40 fish
Largest measured chub
9.5 cm
Median length
3 cm
Fish measured
1,069
Survey locations
2

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
9.5 cm21 Aug 2018Laleham Abbey Downstream Fry153450
7.3 cm22 Aug 2012Laleham Abbey Upstream Fry135275
5.5 cm20 Aug 2024Laleham Abbey Downstream Fry166638
5.4 cm23 Aug 2017Laleham Abbey Upstream Fry151499
5.3 cm21 Aug 2018Laleham Abbey Downstream Fry153450
5.2 cm20 Aug 2009Laleham Abbey Downstream Fry120818
5 cm21 Aug 2018Laleham Abbey Downstream Fry153450
5 cm23 Aug 2017Laleham Abbey Upstream Fry151499
5 cm26 Sept 2006Laleham Abbey Upstream Fry111966
5 cm26 Sept 2006Laleham Abbey Upstream Fry111966

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
Laleham Abbey Downstream Fry9 Sept 20043 Sept 202516
Laleham Abbey Upstream Fry9 Sept 200420 Aug 202414

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

2004–2025

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 1,069 measured fish were spread across different length ranges.

Smallest
1.2 cm
Lower quarter
2.2 cm
Median
3 cm
Upper quarter
3.5 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Laleham Abbey

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

Gudgeon Roach Bleak Dace Perch Minnow

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 →