RiverFish

European eel · Anguilla anguilla

European eel in the Monks Brook

Largest measured european eel: 49 cm

The largest european eel measured in Environment Agency surveys of the Monks Brook was 49 cm, recorded at Fleming Park on 20 June 2012.

Across 20 measured european eel, the median measured length was 22.9 cm.

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

See european eel records across England →

Most recent observation16 August 2021Chandler's Ford · 2 fish
Largest measured european eel
49 cm
Median length
22.9 cm
Fish measured
20
Survey locations
5

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.

LengthSurvey dateSurvey locationSurvey ID
49 cm20 Jun 2012Fleming Park131576
44 cm20 Jun 2012Fleming Park131576
41.4 cm20 Jun 2012Fleming Park131576
37.2 cm20 Jun 2012Fleming Park131576
37 cm20 Jun 2012Fleming Park131576
36.4 cm7 Aug 2014Stoneham142131
36 cm16 Aug 2021Fleming Park160112
31 cm20 Jun 2012Fleming Park131576
25 cm20 Jun 2012Fleming Park131576
23.2 cm20 Jun 2012Fleming Park131576

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 surveyedFirst recordedLast recordedVisits finding european eel
Fleming Park20 Jun 201216 Aug 20212
Chandler's Ford16 Aug 202116 Aug 20211
Stoneham7 Aug 20147 Aug 20141
Mead Court18 Sept 200718 Sept 20071
Flexford Nature Reserve3 Sept 20023 Sept 20021

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

2002–2021

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest
10.9 cm
Lower quarter
16.6 cm
Median
22.9 cm
Upper quarter
36.6 cm
Largest
49 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Monks Brook

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

Brown / sea trout

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 →