RiverFish

Chub · Leuciscus cephalus

Chub in the River Bulbourne

Largest measured chub: 44.3 cm

The largest chub measured in Environment Agency surveys of the River Bulbourne was 44.3 cm, recorded at Boxmoor u/s on 24 April 2015.

Across 158 measured chub, the median measured length was 17.2 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 Bulbourne.

See chub records across England →

Most recent observation14 May 2019Boxmoor d/s · 15 fish
Largest measured chub
44.3 cm
Median length
17.2 cm
Fish measured
158
Survey locations
3

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
44.3 cm24 Apr 2015Boxmoor u/s144597
42.8 cm24 Apr 2015Boxmoor u/s144597
42.6 cm24 Apr 2015Boxmoor u/s144597
42.4 cm24 Apr 2015Boxmoor u/s144597
41.9 cm24 Apr 2015Boxmoor u/s144597
41.8 cm24 Apr 2015Boxmoor u/s144597
41.3 cm11 Apr 2011Station Moor126087
41 cm3 May 2017Boxmoor d/s150377
40.5 cm24 Apr 2015Boxmoor u/s144597
40.3 cm3 May 2017Boxmoor d/s150377

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
Boxmoor u/s24 Apr 201514 May 20196
Boxmoor d/s24 Apr 201514 May 20195
Station Moor11 Apr 201111 Apr 20111

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

2011–2019

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 158 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
11.1 cm
Median
17.2 cm
Upper quarter
32.1 cm
Largest
44.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bulbourne

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

Perch Roach Dace Pike Gudgeon Bleak

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 →