Chub · Leuciscus cephalus

Chub in the Main River Chew

Largest measured chub: 44 cm

The largest chub measured in Environment Agency surveys of the Main River Chew was 44 cm, recorded at Keynsham Park (Te) on 6 July 2004.

Across 185 measured chub, the median measured length was 19.3 cm.

Surveyors recorded weights for 58 chub. The median was 5.6 oz (0.1585 kg) and the largest recorded weight was 3 lb 1.9 oz (1.42 kg).

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

See chub records across England →

Most recent observation29 June 2023Keynsham Park (Te) · 2 fish

Largest measured chub: 44 cm
Median length: 19.3 cm
Fish measured: 185
Survey locations: 5

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
44 cm	6 Jul 2004	Keynsham Park (Te)	80377
42.2 cm	12 Jul 2016	Keynsham Park (Te)	148448
41.4 cm	4 Sept 2007	Chewton Keynsham	108008
41 cm	29 Jun 2005	Compton Dando (Te)	84953
40.5 cm	7 Jul 2004	Compton Dando (Te)	80941
40.1 cm	12 Jul 2016	Keynsham Park (Te)	148448
39.9 cm	20 Jun 2003	Compton Dando (Te)	76222
39.6 cm	11 Jul 2019	Compton Dando (Te)	154759
39.3 cm	18 Jul 2019	Keynsham Park (Te)	154964
39.2 cm	18 Jul 2019	Keynsham Park (Te)	154964

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
Keynsham Park (Te)	3 Sept 2003	29 Jun 2023	9
Compton Dando (Te)	20 Jun 2003	27 Jun 2023	9
Chewton Keynsham	4 Sept 2007	4 Sept 2007	1
Pensford (Te)	9 Aug 2006	9 Aug 2006	1
Shrowl Bridge (Te)	12 Jul 2002	30 Jun 2005	2

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

203

204

305

306

307

108

009

010

011

112

113

014

015

116

017

018

219

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 185 measured fish were spread across different length ranges.

Smallest: 5.2 cm
Lower quarter: 11.6 cm
Median: 19.3 cm
Upper quarter: 27.5 cm
Largest: 44 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 58 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 1.2 oz (0.0328 kg)
Median: 5.6 oz (0.1585 kg)
Upper quarter: 1 lb 5 oz (0.5965 kg)
Heaviest: 3 lb 1.9 oz (1.42 kg)

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

More fish in this river

Explore the Main River Chew

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

Bullhead Roach Minnow Stone loach Brown / sea trout European eel

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 →