RiverFish

Chub · Leuciscus cephalus

Chub in the River Eton College

Largest measured chub: 26.5 cm

The largest chub measured in Environment Agency surveys of the River Eton College was 26.5 cm, recorded at Eton Upstream Fry on 21 August 2007.

Across 1,001 measured chub, the median measured length was 2.7 cm.

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

See chub records across England →

Most recent observation4 September 2025Eton Upstream Fry · 2 fish
Largest measured chub
26.5 cm
Median length
2.7 cm
Fish measured
1,001
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
26.5 cm21 Aug 2007Eton Upstream Fry108614
22.7 cm24 Aug 2003Eton Downstream Fry116974
22.4 cm21 Aug 2007Eton Upstream Fry108614
20.9 cm24 Aug 2003Eton Downstream Fry116974
20.5 cm23 Aug 2017Eton Downstream Fry151491
20 cm21 Aug 2007Eton Upstream Fry108614
19.8 cm24 Aug 2016Eton Downstream Fry149232
19.8 cm20 Aug 2008Eton Downstream Fry125700
18.7 cm24 Aug 2016Eton Downstream Fry149232
18.6 cm21 Aug 2007Eton Upstream Fry108614

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
Eton Upstream Fry8 Sept 20044 Sept 202516
Eton Downstream Fry24 Aug 20034 Sept 202517

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

2003–2025

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 1,001 measured fish were spread across different length ranges.

Smallest
0.9 cm
Lower quarter
2.2 cm
Median
2.7 cm
Upper quarter
3.4 cm
Largest
26.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Eton College

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

Roach Minnow Gudgeon Dace Bleak 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 →