Chub · Leuciscus cephalus

Chub in the Belchamp Brook (Main Reaches)

Largest measured chub: 49.5 cm

The largest chub measured in Environment Agency surveys of the Belchamp Brook (Main Reaches) was 49.5 cm, recorded at Bardfield Bridge on 18 April 1988.

Across 273 measured chub, the median measured length was 31.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Belchamp Brook (Main Reaches).

See chub records across England →

Most recent observation29 May 2026Gas Pipe Mark · 40 fish

Largest measured chub: 49.5 cm
Median length: 31.2 cm
Fish measured: 273
Survey locations: 3

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
49.5 cm	18 Apr 1988	Bardfield Bridge	13811
47.3 cm	12 Jun 2012	Brundon (Belchamp Brook)	132364
47.3 cm	20 May 1997	Brundon (Belchamp Brook)	13818
47.1 cm	22 May 2000	Brundon (Belchamp Brook)	15501
46.5 cm	19 May 1997	Bardfield Bridge	13820
46.3 cm	20 May 1997	Brundon (Belchamp Brook)	13818
46 cm	24 Apr 1991	Bardfield Bridge	13814
45 cm	18 May 2000	Bardfield Bridge	15503
44.9 cm	19 May 1997	Bardfield Bridge	13820
43.4 cm	12 May 1994	Bardfield Bridge	13817

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
Gas Pipe Mark	20 Feb 1985	29 May 2026	10
Brundon (Belchamp Brook)	20 Feb 1985	29 May 2024	8
Bardfield Bridge	19 Feb 1985	13 Jun 2012	8

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

1985–2026

Survey records by year

Each bar shows how many survey visits recorded chub that year.

385

086

087

388

089

090

391

092

093

294

095

096

397

098

099

300

001

002

003

004

005

306

007

008

009

010

011

212

013

014

015

116

017

018

019

020

021

022

023

224

025

126

Fish measured by surveyors

Measured length distribution

See how the 273 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 10.4 cm
Median: 31.2 cm
Upper quarter: 36.7 cm
Largest: 49.5 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

113

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Belchamp Brook (Main Reaches)

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

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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 →