Chub · Leuciscus cephalus

Chub in the Main River Tone

Largest measured chub: 47.5 cm

The largest chub measured in Environment Agency surveys of the Main River Tone was 47.5 cm, recorded at Bathpool on 5 September 2019.

Across 2,508 measured chub, the median measured length was 20 cm.

Surveyors recorded weights for 601 chub. The median was 3.6 oz (0.102 kg) and the largest recorded weight was 3 lb 6.2 oz (1.54 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 Tone.

See chub records across England →

Most recent observation30 September 2025Roughmoor (Te) · 19 fish

Largest measured chub: 47.5 cm
Median length: 20 cm
Fish measured: 2,508
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
47.5 cm	5 Sept 2019	Bathpool	155278
47.3 cm	29 Aug 2013	Bathpool	138280
46.5 cm	28 Jul 2011	Bathpool	127255
46.3 cm	12 Sept 2006	Bathpool	101678
46.2 cm	7 Sept 2007	Bathpool	107393
45 cm	19 Sept 2024	Bathpool	167170
45 cm	28 Jul 2011	Bathpool	127255
44.4 cm	19 Sept 2024	Bathpool	167170
44.2 cm	7 Oct 2009	Priorswood (Te)	119247
44 cm	19 Sept 2024	Bathpool	167170

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
Roughmoor (Te)	9 Oct 2003	30 Sept 2025	12
Bathpool	12 Sept 2006	19 Sept 2024	10
Newbridge	26 Apr 2007	25 Apr 2019	5
Priorswood (Te)	11 Sept 2003	7 Oct 2009	6
Parsonage Farm (Te)	22 Sept 2003	4 Aug 2006	4

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

2003–2025

Survey records by year

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

303

304

305

406

307

008

409

310

111

012

213

114

115

016

117

018

319

020

021

122

123

224

125

Fish measured by surveyors

Measured length distribution

See how the 2,508 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 15.4 cm
Median: 20 cm
Upper quarter: 26.9 cm
Largest: 47.5 cm

0–99 mm

268

100–199 mm

981

200–299 mm

849

300–399 mm

351

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 601 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 1.7 oz (0.048 kg)
Median: 3.6 oz (0.102 kg)
Upper quarter: 11.4 oz (0.322 kg)
Heaviest: 3 lb 6.2 oz (1.54 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 Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow Atlantic salmon

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 →