RiverFish

Chub · Leuciscus cephalus

Chub in the Alconbury Brook

Largest measured chub: 48.3 cm

The largest chub measured in Environment Agency surveys of the Alconbury Brook was 48.3 cm, recorded at Brampton Racecourse on 29 June 1998.

Across 145 measured chub, the median measured length was 34.8 cm.

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

See chub records across England →

Most recent observation19 April 2006Brampton Racecourse · 1 fish
Largest measured chub
48.3 cm
Median length
34.8 cm
Fish measured
145
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
48.3 cm29 Jun 1998Brampton Racecourse29080
48.3 cm24 Jun 1998DS A1 Lay-by29079
48.3 cm16 Oct 1989Brampton Racecourse29068
46.3 cm24 Jun 1998DS A1 Lay-by29079
46.3 cm15 Dec 1995DS A1 Lay-by29075
45.8 cm20 Aug 1992Brampton Racecourse29072
45.3 cm16 Oct 1989Brampton Racecourse29068
44.8 cm24 Jun 1998DS A1 Lay-by29079
44.3 cm24 Jun 1998DS A1 Lay-by29079
44.3 cm3 Oct 1989DS A1 Lay-by29067

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
Brampton Racecourse16 Oct 198919 Apr 20065
DS A1 Lay-by3 Oct 198924 Jun 19984
Alconbury Village6 Oct 198917 Jun 19983
Hinchingbrooke1 Nov 198927 Sept 19952

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

1989–2006

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 145 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
25.8 cm
Median
34.8 cm
Upper quarter
39.8 cm
Largest
48.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Alconbury Brook

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

Pike European eel Roach Perch Dace Gudgeon

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 →