Chub · Leuciscus cephalus

Chub in the Bourne

Largest measured chub: 49.7 cm

The largest chub measured in Environment Agency surveys of the Bourne was 49.7 cm, recorded at Pierce Mill on 23 June 2011.

Across 83 measured chub, the median measured length was 6.7 cm.

Surveyors recorded weights for 4 chub. The median was 5.7 oz (0.1605 kg) and the largest recorded weight was 1 lb 10.8 oz (0.76 kg).

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

See chub records across England →

Most recent observation7 August 2023Pierce Mill · 26 fish

Largest measured chub: 49.7 cm
Median length: 6.7 cm
Fish measured: 83
Survey locations: 3

Individual EA measurements

Largest measured chub

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
49.7 cm	23 Jun 2011	Pierce Mill	126836
49.4 cm	23 Jun 2011	Pierce Mill	126836
46.5 cm	7 Aug 2023	Pierce Mill	163080
44.4 cm	23 Jun 2011	Pierce Mill	126836
44.2 cm	2 Aug 2017	Pierce Mill	151554
43.7 cm	8 Aug 2002	Pierce Mill	66861
42.8 cm	23 Jun 2011	Pierce Mill	126836
41.6 cm	7 Aug 2023	Pierce Mill	163080
41.4 cm	19 Aug 2010	Pierce Mill	123504
41 cm	2 Aug 2017	Pierce Mill	151554

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 surveyed	First recorded	Last recorded	Visits finding chub
Pierce Mill	8 Aug 2002	7 Aug 2023	6
Hadlow College 200m u/s Bourne Bridge	6 Jul 2011	6 Jul 2011	1
Hadlow College	20 Nov 2003	20 Nov 2003	1

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

2002–2023

Survey records by year

Each bar shows how many survey visits recorded chub that year.

102

103

104

005

006

007

008

009

110

211

012

013

014

015

016

117

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 83 measured fish were spread across different length ranges.

Smallest: 1.1 cm
Lower quarter: 2.3 cm
Median: 6.7 cm
Upper quarter: 37.7 cm
Largest: 49.7 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 4 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest: 3.5 oz (0.1 kg)
Lower quarter: 4 oz (0.1128 kg)
Median: 5.7 oz (0.1605 kg)
Upper quarter: 12.1 oz (0.343 kg)
Heaviest: 1 lb 10.8 oz (0.76 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Bourne

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

Brown / sea trout Minnow Stone loach 3-spined stickleback Pike Roach

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 →