European eel · Anguilla anguilla

European eel in the Belchamp Brook (Main Reaches)

Largest measured european eel: 56.5 cm

The largest european eel measured in Environment Agency surveys of the Belchamp Brook (Main Reaches) was 56.5 cm, recorded at Brundon (Belchamp Brook) on 29 May 2024.

Across 3 measured european eel, the median measured length was 37.5 cm.

Surveyors recorded weights for 3 european eel. The median was 2.8 oz (0.08 kg) and the largest recorded weight was 11.6 oz (0.33 kg).

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 european eel records across England →

Most recent observation29 May 2024Brundon (Belchamp Brook) · 1 fish

Largest measured european eel: 56.5 cm
Median length: 37.5 cm
Fish measured: 3
Survey locations: 3

Individual EA measurements

Largest measured european eel

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
56.5 cm	29 May 2024	Brundon (Belchamp Brook)	165736
37.5 cm	25 May 2006	Brundon (Belchamp Brook)	90861
34.4 cm	31 May 2006	Bardfield Bridge	90856

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel 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 european eel
Brundon (Belchamp Brook)	20 Feb 1985	29 May 2024	7
Bardfield Bridge	19 Feb 1985	31 May 2006	6
Gas Pipe Mark	20 Feb 1985	24 May 2000	4

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

1985–2024

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

385

086

087

388

089

090

191

092

093

394

095

096

297

098

099

200

001

002

003

004

005

206

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 3 measured fish were spread across different length ranges.

Smallest: 34.4 cm
Lower quarter: 36 cm
Median: 37.5 cm
Upper quarter: 47 cm
Largest: 56.5 cm

300–399 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 2.3 oz (0.064 kg)
Lower quarter: 2.5 oz (0.072 kg)
Median: 2.8 oz (0.08 kg)
Upper quarter: 7.2 oz (0.205 kg)
Heaviest: 11.6 oz (0.33 kg)

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

More fish in this river

Explore the Belchamp Brook (Main Reaches)

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

Pike Chub Bullhead Roach Dace 3-spined stickleback

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 →