RiverFish

Chub · Leuciscus cephalus

Chub in the Boulters Weir Stream

Largest measured chub: 16.9 cm

The largest chub measured in Environment Agency surveys of the Boulters Weir Stream was 16.9 cm, recorded at Boulters Weir Downstream Fry on 20 August 2018.

Across 210 measured chub, the median measured length was 3 cm.

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

See chub records across England →

Most recent observation4 September 2025Boulters Weir Upstream Fry · 2 fish
Largest measured chub
16.9 cm
Median length
3 cm
Fish measured
210
Survey locations
2

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
16.9 cm20 Aug 2018Boulters Weir Downstream Fry153454
13.9 cm31 Aug 2006Boulters Weir Downstream Fry111832
13.4 cm31 Aug 2006Boulters Weir Downstream Fry111832
13 cm31 Aug 2006Boulters Weir Downstream Fry111832
12 cm31 Aug 2006Boulters Weir Downstream Fry111832
11.5 cm31 Aug 2006Boulters Weir Downstream Fry111832
10 cm7 Sept 2004Boulters Weir Downstream Fry111448
7.7 cm18 Aug 2015Boulters Weir Upstream Fry146044
6.4 cm30 Aug 2005Boulters Weir Upstream Fry111784
5.7 cm18 Aug 2015Boulters Weir Upstream Fry146044

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
Boulters Weir Upstream Fry7 Sept 20044 Sept 202511
Boulters Weir Downstream Fry7 Sept 200421 Aug 20249

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

2004–2025

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 210 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
2.6 cm
Median
3 cm
Upper quarter
3.6 cm
Largest
16.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Boulters Weir Stream

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

Minnow Dace Roach Bleak Gudgeon Bullhead

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 →