RiverFish

Chub · Leuciscus cephalus

Chub in the River Len

Largest measured chub: 48 cm

The largest chub measured in Environment Agency surveys of the River Len was 48 cm, recorded at Caring Lane on 2 October 2009.

Across 33 measured chub, the median measured length was 27.5 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 Len.

See chub records across England →

Most recent observation24 July 2023Turkey Mill · 4 fish
Largest measured chub
48 cm
Median length
27.5 cm
Fish measured
33
Survey locations
4

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
48 cm2 Oct 2009Caring Lane120352
44.7 cm2 Oct 2009Caring Lane120352
44.2 cm2 Oct 2009Caring Lane120352
43 cm2 Oct 2009Caring Lane120352
42.6 cm12 Jul 2023Fulling Mill163071
41.5 cm16 Aug 2004Fulling Mill82993
41.2 cm16 Aug 2004Fulling Mill82993
41 cm16 Aug 2004Fulling Mill82993
40 cm12 Jul 2023Fulling Mill163071
39.6 cm1 Sept 2017Thurnham Mill151521

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
Turkey Mill24 Jul 202324 Jul 20231
Fulling Mill16 Aug 200412 Jul 20234
Thurnham Mill1 Sept 20171 Sept 20171
Caring Lane2 Oct 20092 Oct 20091

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

2004–2023

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 33 measured fish were spread across different length ranges.

Smallest
18 cm
Lower quarter
23.5 cm
Median
27.5 cm
Upper quarter
40 cm
Largest
48 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Len

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

European eel Gudgeon Perch Pike Roach Common bream

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 →