RiverFish

Chub · Leuciscus cephalus

Chub in the St Ives Chub Stream

Largest measured chub: 49.5 cm

The largest chub measured in Environment Agency surveys of the St Ives Chub Stream was 49.5 cm, recorded at St Ives Chub Stream on 2 May 2019.

Across 160 measured chub, the median measured length was 35.1 cm.

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

See chub records across England →

Most recent observation8 April 2025St Ives Chub Stream · 22 fish
Largest measured chub
49.5 cm
Median length
35.1 cm
Fish measured
160
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
49.5 cm2 May 2019St Ives Chub Stream154454
49.3 cm14 Aug 1995St Ives Chub Stream29303
47.4 cm2 May 2019St Ives Chub Stream154454
46.3 cm14 Aug 1995St Ives Chub Stream29303
45.5 cm17 Apr 2013St Ives Chub Stream135879
45.3 cm14 Aug 1995St Ives Chub Stream29303
44.8 cm14 Aug 1995St Ives Chub Stream29303
44.3 cm14 Aug 1995St Ives Chub Stream29303
44.3 cm14 Aug 1995St Ives Chub Stream29303
43.3 cm14 Aug 1995St Ives Chub Stream29303

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
St Ives Chub Stream11 Sept 19928 Apr 20257
St Ives Chub Stream (Eel Monitoring)9 Jul 20139 Jul 20131

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

1992–2025

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 160 measured fish were spread across different length ranges.

Smallest
6.3 cm
Lower quarter
28.4 cm
Median
35.1 cm
Upper quarter
39.3 cm
Largest
49.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the St Ives Chub Stream

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

European eel Dace Gudgeon Perch Roach Bleak

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 →