Chub · Leuciscus cephalus

Chub in the Itchen Navigation

Largest measured chub: 36.1 cm

The largest chub measured in Environment Agency surveys of the Itchen Navigation was 36.1 cm, recorded at Ham Farm on 27 October 2025.

Across 25 measured chub, the median measured length was 19 cm.

Surveyors recorded weights for 6 chub. The median was 0.6 oz (0.0165 kg) and the largest recorded weight was 0.7 oz (0.021 kg).

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

See chub records across England →

Most recent observation27 October 2025Ham Farm · 3 fish

Largest measured chub: 36.1 cm
Median length: 19 cm
Fish measured: 25
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.

Length	Survey date	Survey location	Survey ID
36.1 cm	27 Oct 2025	Ham Farm	179579
35 cm	27 Oct 2025	Ham Farm	179579
34 cm	27 Oct 2025	Ham Farm	179579
34 cm	30 Aug 2023	Ham Farm	163752
31 cm	30 Aug 2023	Ham Farm	163752
20.8 cm	2 Sept 2019	Ham Farm	155311
20.8 cm	2 Sept 2019	Ham Farm	155311
20.5 cm	2 Sept 2019	Ham Farm	155311
19.5 cm	2 Sept 2019	Ham Farm	155311
19.5 cm	2 Sept 2019	Ham Farm	155311

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 surveyed	First recorded	Last recorded	Visits finding chub
Ham Farm	18 Sept 2015	27 Oct 2025	4
Riverside Park	20 Oct 2003	20 Sept 2005	3

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.

103

104

105

006

007

008

009

010

011

012

013

014

115

016

017

018

119

020

021

022

123

024

125

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest: 7.6 cm
Lower quarter: 13.5 cm
Median: 19 cm
Upper quarter: 20.8 cm
Largest: 36.1 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 6 chub. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.007 kg)
Lower quarter: 0.5 oz (0.0128 kg)
Median: 0.6 oz (0.0165 kg)
Upper quarter: 0.7 oz (0.0202 kg)
Heaviest: 0.7 oz (0.021 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Itchen Navigation

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

European eel Pike Minnow Roach Grayling Atlantic salmon

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 →