RiverFish

Chub · Leuciscus cephalus

Chub in the River Test

Largest measured chub: 53.9 cm

The largest chub measured in Environment Agency surveys of the River Test was 53.9 cm, recorded at Fish Lake on 10 July 2012.

Across 181 measured chub, the median measured length was 30.2 cm.

Surveyors recorded weights for 39 chub. The median was 2.1 oz (0.06 kg) and the largest recorded weight was 3 lb 9.8 oz (1.64 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 Test.

See chub records across England →

Most recent observation8 September 2025Romsey Canal · 7 fish
Largest measured chub
53.9 cm
Median length
30.2 cm
Fish measured
181
Survey locations
12

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
53.9 cm10 Jul 2012Fish Lake132295
51.9 cm4 Sept 2006Romsey War Memorial Park101358
51.5 cm12 May 2023Mottisfont Abbey stocked trout removal162337
48.5 cm15 Aug 2007Romsey War Memorial Park106356
45.8 cm12 May 2023Mottisfont Abbey stocked trout removal162337
45.8 cm15 Aug 2007Romsey War Memorial Park106356
45.8 cm15 Aug 2007Romsey War Memorial Park106356
45.2 cm14 Jun 2013Red River Carrier, Broadlands136444
45.2 cm23 Aug 2012Romsey War Memorial Park132992
45 cm15 Aug 2008Red River Carrier, Broadlands112944

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
Romsey Canal3 Sept 20038 Sept 202511
Romsey War Memorial Park14 Nov 200322 Aug 202519
Longbridge2 Sept 20242 Sept 20241
Mottisfont Abbey stocked trout removal12 May 202312 May 20231
Mainstone Farm16 Sept 202116 Sept 20211
Fairbourne stream, Brook Farm8 Jul 20148 Jul 20141
Red River Carrier, Broadlands15 Aug 200814 Jun 20132
Fish Lake10 Jul 201210 Jul 20121
Mottisfont Abbey, Oakley carrier19 Aug 201019 Aug 20101
House Beat2 Sept 20042 Sept 20041
Moorcourt Carrier25 Aug 200425 Aug 20041
Dead End30 Jul 200430 Jul 20041

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 181 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
21.3 cm
Median
30.2 cm
Upper quarter
38.9 cm
Largest
53.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 39 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.006 kg)
Lower quarter
0.8 oz (0.0215 kg)
Median
2.1 oz (0.06 kg)
Upper quarter
1 lb 6 oz (0.623 kg)
Heaviest
3 lb 9.8 oz (1.64 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 Test

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

Brown / sea trout European eel Bullhead Minnow Stone loach Grayling

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 →