European eel · Anguilla anguilla

European eel in the Bosham Stream

Largest measured european eel: 60 cm

The largest european eel measured in Environment Agency surveys of the Bosham Stream was 60 cm, recorded at Heaver Farm Footbridge on 19 May 2015.

Across 299 measured european eel, the median measured length was 40.3 cm.

Surveyors recorded weights for 128 european eel. The median was 3.3 oz (0.0925 kg) and the largest recorded weight was 12.9 oz (0.366 kg).

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

See european eel records across England →

Most recent observation11 June 2025Heaver Farm Footbridge · 9 fish

Largest measured european eel: 60 cm
Median length: 40.3 cm
Fish measured: 299
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
60 cm	19 May 2015	Heaver Farm Footbridge	144807
59.9 cm	19 May 2015	Southbrook Farm	144806
59.7 cm	19 May 2015	Southbrook Farm	144806
57.2 cm	19 May 2015	Southbrook Farm	144806
56.5 cm	19 May 2015	Heaver Farm Footbridge	144807
56.1 cm	19 May 2015	Southbrook Farm	144806
55.6 cm	19 May 2015	Heaver Farm Footbridge	144807
55.2 cm	10 Jun 2025	Southbrook Farm	176893
55.2 cm	17 Oct 2001	Heaver Farm Footbridge	22744
54.8 cm	10 Jun 2025	Southbrook Farm	176893

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
Heaver Farm Footbridge	17 Oct 2001	11 Jun 2025	4
Southbrook Farm	8 May 2012	10 Jun 2025	3
Bosham Stream Downstream A259	17 May 2012	17 May 2012	1

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

2001–2025

Survey records by year

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

101

002

003

004

005

006

107

008

009

010

011

212

013

014

215

016

017

018

019

020

021

022

023

024

225

Fish measured by surveyors

Measured length distribution

See how the 299 measured fish were spread across different length ranges.

Smallest: 7.9 cm
Lower quarter: 33.4 cm
Median: 40.3 cm
Upper quarter: 46.6 cm
Largest: 60 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

112

500–599 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 128 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.007 kg)
Lower quarter: 1.9 oz (0.053 kg)
Median: 3.3 oz (0.0925 kg)
Upper quarter: 5.8 oz (0.1642 kg)
Heaviest: 12.9 oz (0.366 kg)

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

More fish in this river

Explore the Bosham Stream

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

Bullhead 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 →