RiverFish

Chub · Leuciscus cephalus

Chub in the River Calder

Largest measured chub: 40.4 cm

The largest chub measured in Environment Agency surveys of the River Calder was 40.4 cm, recorded at Upstream Altham bridge on 21 May 1984.

Across 52 measured chub, the median measured length was 8.2 cm.

Surveyors recorded one individual weight: 2.6 oz (0.075 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 Calder.

See chub records across England →

Most recent observation22 August 2022Downstream Altham Bridge · 1 fish
Largest measured chub
40.4 cm
Median length
8.2 cm
Fish measured
52
Survey locations
8

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
40.4 cm21 May 1984Upstream Altham bridge112808
34.5 cm24 Apr 1985Upstream Altham bridge112817
27.6 cm23 Apr 1985Downstream A59 Road Bridge114847
23 cm27 Jul 1999Downstream Home Farm114663
21 cm24 Apr 1985Upstream Altham bridge112817
17 cm24 Apr 1985Upstream Altham bridge112817
16.8 cm23 Apr 1985Downstream A59 Road Bridge114847
13.6 cm23 Apr 1985Downstream A59 Road Bridge114847
10.6 cm16 Sept 2019Foxcroft155442
9.4 cm11 Sept 2014Foxcroft142704

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
Downstream Altham Bridge11 Sept 201522 Aug 20222
Foxcroft11 Sept 201416 Sept 20192
Upstream A59 Road Bridge22 Sept 201618 Oct 20182
Lune Street, Padiham12 Sept 201412 Sept 20141
Pendle Hall11 Sept 201411 Sept 20141
Downstream Home Farm27 Jul 199927 Jul 19991
Upstream Altham bridge21 May 198424 Apr 19852
Downstream A59 Road Bridge23 Apr 198523 Apr 19851

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

1984–2022

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 52 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
5.1 cm
Median
8.2 cm
Upper quarter
9 cm
Largest
40.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
2.6 oz (0.075 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 Calder

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

European eel Brown / sea trout Bullhead Gudgeon Roach 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 →