RiverFish

Chub · Leuciscus cephalus

Chub in the River Stour

Largest measured chub: 56.2 cm

The largest chub measured in Environment Agency surveys of the River Stour was 56.2 cm, recorded at Rats Castle on 1 September 2000.

Across 12,751 measured chub, the median measured length was 18.7 cm.

Surveyors recorded weights for 57 chub. The median was 11.5 oz (0.327 kg) and the largest recorded weight was 4 lb 4.1 oz (1.93 kg).

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

See chub records across England →

Most recent observation14 July 2026Tendring Hall · 92 fish
Largest measured chub
56.2 cm
Median length
18.7 cm
Fish measured
12,751
Survey locations
51

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
56.2 cm1 Sept 2000Rats Castle15551
55 cm5 Jul 2011Shalford Weir127108
54.7 cm23 Aug 2018Pentlow Mill154325
53.6 cm10 Aug 2006Lamarsh FGS A100809
53.2 cm8 Aug 2006Pitmire A100526
53.2 cm18 Sept 1991Liston Mill13604
53.1 cm11 Aug 2015Pentlow Mill146714
53.1 cm30 Jul 2010Shalford Weir123176
53 cm30 Jul 2010Shalford Weir123176
53 cm12 Jul 2010Lamarsh FGS A122838

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
Tendring Hall8 Jul 198514 Jul 202620
Higham Hall4 Jul 19853 Jul 202618
Mill Meadow29 Sept 198111 Aug 202530
Bures Mill23 Jul 19855 Aug 202522
Lamarsh FGS A15 Oct 198130 Jul 202525
Pitmire A26 Jul 198529 Jul 202523
Anchor Bridge19 Jul 198324 Jul 202529
Bures Bridge A12 Nov 198117 Jul 202529
Fen Bridge23 Aug 198315 Jul 202512
Stratford28 Jul 198310 Jul 202512
Baythorne End4 Oct 19858 Oct 20249
Rats Castle21 Oct 198023 Sept 202418
Great Thurlow23 Sept 200318 Sept 20246
Bower Hall18 Oct 19853 Sept 202413
Kedington Radial Gate4 Oct 200028 Aug 20249
Wixoe Pumping Station9 Nov 199427 Aug 20249
Mill Farm Clare3 Oct 198523 Aug 202414
Bush Boake Allen5 Nov 198014 Aug 202415
Boxted Mill11 Jul 198513 Aug 202417
Wormingford Mill19 Nov 19817 Aug 202414
Pentlow Mill9 Sept 199131 Jul 20249
Wiston Mill16 Jul 198517 Jul 202410
Downstream Dedham Mill19 Aug 19833 Jul 202412
Liston Mill22 Sept 19815 Oct 201813
Clare Mill17 Oct 19852 Oct 201812
Upstream Dedham Mill14 Jun 199126 Jun 20184
Shalford Weir30 Sept 19819 Aug 201617
Wissington18 Jul 19852 Aug 201618
Stoke By Clare8 Oct 19852 Sept 201511
Flatford Mill5 Jun 19851 Jul 20154
Langham Intake21 Jul 19833 Aug 201013
Bakers Mill A11 Nov 198129 Jul 201017
Little Thurlow28 Sept 200928 Sept 20091
Mill Green Radial Gate16 Oct 198515 Sept 20099
Little Wratting8 Nov 19948 Sept 20095
Glemsford Pits20 Sept 199126 Aug 20094
Pentlow Street28 Oct 198021 Aug 200910
Kedington FGS9 Oct 198521 Aug 20099
Brundon (River Stour Middle)19 Aug 199110 Aug 20096
Rodbridge Park28 Oct 19946 Aug 20092
Garnons Farm12 Jul 199116 Jul 20095
Wick Farm20 Jul 19833 Jul 200910
Priory Meadow16 Aug 199116 Aug 20065
Shalford Meadow14 Aug 199111 Aug 20063
Brantham Lock1 Jul 199729 Jun 20062
Dedham (Old) River24 Aug 198318 Jun 20036
Pitmire B26 Jul 198526 Jul 19851
Stanch Farm B18 Nov 198118 Nov 19811
Stanch Farm A18 Nov 198118 Nov 19811
Bures Bridge B12 Nov 198112 Nov 19811
Lamarsh FGS B15 Oct 198115 Oct 19811

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

1980–2026

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 12,751 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
11.6 cm
Median
18.7 cm
Upper quarter
31 cm
Largest
56.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 57 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.5 oz (0.015 kg)
Lower quarter
6.3 oz (0.18 kg)
Median
11.5 oz (0.327 kg)
Upper quarter
1 lb 3.1 oz (0.542 kg)
Heaviest
4 lb 4.1 oz (1.93 kg)

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

More fish in this river

Explore the River Stour

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

Roach European eel Perch Pike 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 →