RiverFish

Chub · Leuciscus cephalus

Chub in the River Chelmer

Largest measured chub: 59.5 cm

The largest chub measured in Environment Agency surveys of the River Chelmer was 59.5 cm, recorded at Downstream Stonhams Lock on 2 November 2001.

Across 3,376 measured chub, the median measured length was 16.7 cm.

Surveyors recorded weights for 10 chub. The median was 1 lb 8.4 oz (0.6915 kg) and the largest recorded weight was 5 lb 3 oz (2.35 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 Chelmer.

See chub records across England →

Most recent observation1 October 2025Warners Farm · 13 fish
Largest measured chub
59.5 cm
Median length
16.7 cm
Fish measured
3,376
Survey locations
40

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
59.5 cm2 Nov 2001Downstream Stonhams Lock21270
54.7 cm18 Aug 1998Felstead A14454
53.6 cm26 Oct 2007Downstream Stonhams Lock107869
52 cm2 Jul 2004Ulting Church84139
51.2 cm16 Oct 1998Cuton Lock14435
51.1 cm20 Aug 1992Hoffmans Mill14364
50.9 cm12 Jun 2025Hoe Mill Cut177832
50.9 cm21 Jul 1998Springfield14445
50.7 cm26 Jun 2019Ricketts Cut155845
50.2 cm21 Sept 2016Little Waltham150001

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
Warners Farm30 Sept 19831 Oct 202512
Chelmsford Viaduct14 Oct 198325 Sept 202514
Camsix Farm A28 Sept 198323 Sept 202514
Upstream Croxtons29 Aug 198620 Aug 202511
Langleys Dunmow21 Sept 198319 Aug 202511
Barnes Mill10 Jul 19864 Jul 202511
Downstream Paper Mills26 Jun 198626 Jun 202513
Brookend9 Jul 198625 Jun 20254
Cuton Hall16 Jul 199216 Jun 20256
Boreham Bridge (C&B Canal)4 Jul 198913 Jun 202519
Hoe Mill Cut27 Jun 198912 Jun 202513
Sugar Mills7 Jul 19926 Jun 202513
Downstream Ricketts Lock23 Jun 19865 Jun 202514
Ricketts Cut25 Jun 198626 Jun 201912
Felstead A23 Sept 19836 Oct 201610
Littley Park4 Sept 19865 Oct 201611
Little Waltham4 Oct 198321 Sept 201610
Bowyers Bridge18 Jan 200521 Mar 20142
Absol Bridge8 Sept 198621 Sept 20109
Springfield11 Oct 198325 Aug 201010
Downstream Croxtons7 Oct 198311 Aug 201010
A12 Bridge (C&B Canal)17 Aug 19926 Jul 20103
Sandford Cut14 Jul 198629 Jun 20106
Downstream Stonhams Lock29 Oct 198626 Oct 20076
Upstream Ricketts Lock12 Oct 199219 Oct 20073
Upstream Rushes Lock2 Oct 199218 Oct 20075
Upstream Beeleigh Lock19 Oct 200112 Oct 20073
Churchend FGS15 Sept 199222 Aug 20076
Langley Waltham3 Oct 19838 Aug 20075
Hoffmans Mill19 Aug 19862 Aug 20078
Ulting Church26 Jun 200112 Jun 20073
Upstream Sandford Lock9 Nov 19924 Nov 20043
Cuton Lock19 Oct 19893 Nov 20046
Upstream Paper Mills28 Oct 198628 Oct 20046
Hoe Mill29 Oct 200114 Oct 20042
Kings Mill3 Jul 19867 Jul 20045
Duton Hill (River Chelmer)9 Feb 19989 Feb 19981
Sandford18 Oct 198918 Oct 19891
Gasworks Reach11 Nov 198611 Nov 19861
Camsix Farm B28 Sept 198328 Sept 19831

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

1983–2025

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 3,376 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
11 cm
Median
16.7 cm
Upper quarter
32.5 cm
Largest
59.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 10 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.5 oz (0.014 kg)
Lower quarter
1 lb 3.2 oz (0.5452 kg)
Median
1 lb 8.4 oz (0.6915 kg)
Upper quarter
1 lb 9.9 oz (0.7332 kg)
Heaviest
5 lb 3 oz (2.35 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 Chelmer

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

Roach Pike Dace Gudgeon European eel Perch

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 →