RiverFish

Chub · Leuciscus cephalus

Chub in the River Sapiston (Black Bourn)

Largest measured chub: 51.7 cm

The largest chub measured in Environment Agency surveys of the River Sapiston (Black Bourn) was 51.7 cm, recorded at Sapiston Bridge on 7 September 2012.

Across 1,651 measured chub, the median measured length was 18.3 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 Sapiston (Black Bourn).

See chub records across England →

Most recent observation8 November 2018Euston · 32 fish
Largest measured chub
51.7 cm
Median length
18.3 cm
Fish measured
1,651
Survey locations
11

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
51.7 cm7 Sept 2012Sapiston Bridge133320
51.3 cm13 Jul 1988Sapiston Bridge30032
49.8 cm11 Jul 1988Micklemere30028
49.3 cm7 Sept 2012Sapiston Bridge133320
48.3 cm14 Jul 1988Euston30034
48.3 cm13 Jul 1988Sapiston Bridge30032
47.8 cm29 Mar 1989Micklemere30035
47.8 cm29 Mar 1989Micklemere30035
47.8 cm11 Jul 1988Micklemere30028
47.3 cm11 Jul 1988Micklemere30028

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
Euston14 Jul 19888 Nov 20187
Bailey Pool Bridge14 May 19925 Nov 20186
Bullbridge8 May 199225 Oct 20183
Sapiston Bridge13 Jul 19887 Sept 20125
Ixworth18 Aug 200918 Aug 20091
Micklemere11 Jul 198824 Oct 20005
US Burnthall Plantation5 May 199224 Oct 19952
Ixworth Mill12 Jul 198817 Oct 19953
Bardwell Mill12 Jul 198816 Oct 19954
Burnthall Plantation7 May 19927 May 19921
Parkhouse Farm4 Apr 19894 Apr 19891

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

1988–2018

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 1,651 measured fish were spread across different length ranges.

Smallest
5.8 cm
Lower quarter
12.3 cm
Median
18.3 cm
Upper quarter
24.3 cm
Largest
51.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sapiston (Black Bourn)

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

Dace Roach Gudgeon Pike European eel 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 →