RiverFish

Chub · Leuciscus cephalus

Chub in the California Brook

Largest measured chub: 29.6 cm

The largest chub measured in Environment Agency surveys of the California Brook was 29.6 cm, recorded at DS Bourg Walk on 15 August 2016.

Across 106 measured chub, the median measured length was 12.1 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the California Brook.

See chub records across England →

Most recent observation2 September 2025DS Bourg Walk · 2 fish
Largest measured chub
29.6 cm
Median length
12.1 cm
Fish measured
106
Survey locations
1

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
29.6 cm15 Aug 2016DS Bourg Walk149146
24 cm30 Aug 2005DS Bourg Walk86018
23.4 cm30 Aug 2005DS Bourg Walk86018
22.8 cm15 Aug 2016DS Bourg Walk149146
21.8 cm30 Aug 2005DS Bourg Walk86018
20.9 cm15 Aug 2016DS Bourg Walk149146
20.7 cm15 Aug 2016DS Bourg Walk149146
20.5 cm30 Aug 2005DS Bourg Walk86018
20.5 cm30 Aug 2005DS Bourg Walk86018
20.3 cm15 Aug 2016DS Bourg Walk149146

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
DS Bourg Walk30 Aug 20052 Sept 20255

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

2005–2025

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 106 measured fish were spread across different length ranges.

Smallest
5.7 cm
Lower quarter
9.4 cm
Median
12.1 cm
Upper quarter
15.8 cm
Largest
29.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the California Brook

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

Dace

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 →