RiverFish

Chub · Leuciscus cephalus

Chub in the River US Cam

Largest measured chub: 50 cm

The largest chub measured in Environment Agency surveys of the River US Cam was 50 cm, recorded at Pampisford Mill on 13 March 2025.

Across 1,914 measured chub, the median measured length was 17.8 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 US Cam.

See chub records across England →

Most recent observation3 June 2026Sawston Paper Mill · 10 fish
Largest measured chub
50 cm
Median length
17.8 cm
Fish measured
1,914
Survey locations
12

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
50 cm13 Mar 2025Pampisford Mill175951
49.5 cm13 Mar 2025Pampisford Mill175951
49.2 cm5 Jul 2013Sawston Paper Mill136985
46.6 cm2 Jun 2026Pampisford Mill181633
46.6 cm19 Mar 2025P.B.I (Trumpington Meadows)176010
46.2 cm2 Jun 2026Pampisford Mill181633
46.1 cm13 Mar 2025Pampisford Mill175951
46 cm19 Mar 2025P.B.I (Trumpington Meadows)176010
46 cm13 Mar 2025Pampisford Mill175951
45.8 cm26 Jul 2013P.B.I (Trumpington Meadows)137670

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
Sawston Paper Mill2 May 19913 Jun 20269
Pampisford Mill1 May 19912 Jun 20269
P.B.I (Trumpington Meadows)7 May 199119 Mar 20257
Hinxton3 Jul 20133 Jul 20131
Byron's Pool Bypass Channel4 Apr 20119 May 20112
DS Hauxton Mill Bridge16 Mar 201016 Mar 20101
Hauxton Mill Bridge17 Sept 200817 Sept 20081
Hauxton Junction17 Sept 200817 Sept 20081
Littlebury10 Mar 200510 Mar 20051
Dernford Weir19 Oct 200219 Oct 20021
Shelford Mill18 Oct 200218 Oct 20021
Rectory Farm3 May 199117 Dec 19963

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

1991–2026

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 1,914 measured fish were spread across different length ranges.

Smallest
5.4 cm
Lower quarter
12.3 cm
Median
17.8 cm
Upper quarter
24.3 cm
Largest
50 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Cam

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

Roach Perch Gudgeon Dace Brown / sea trout Bullhead

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 →