RiverFish

European eel · Anguilla anguilla

European eel in the River Penton Hook - Chertsey

Largest measured european eel: 95.3 cm

The largest european eel measured in Environment Agency surveys of the River Penton Hook - Chertsey was 95.3 cm, recorded at Penton Hook to Chertsey (Laleham Main) on 17 September 2002.

Across 389 measured european eel, the median measured length was 57.5 cm.

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

See european eel records across England →

Most recent observation30 July 2025Penton Hook to Chertsey (Laleham Main) · 2 fish
Largest measured european eel
95.3 cm
Median length
57.5 cm
Fish measured
389
Survey locations
4

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
95.3 cm17 Sept 2002Penton Hook to Chertsey (Laleham Main)72121
93.5 cm1 Sept 2000Penton Hook to Chertsey (Laleham Main)121590
91.5 cm17 Sept 2002Penton Hook, Weir Stream and Pool72118
89.5 cm1 Sept 2000Penton Hook to Chertsey (Laleham Main)121590
87 cm9 Sept 2015Penton Hook, Weir Stream and Pool146408
85 cm8 Sept 2005Penton Hook Loop Upstream of Laleham Intake86915
84.9 cm8 Sept 2005Penton Hook Loop Upstream of Laleham Intake86915
84.1 cm8 Sept 2005Penton Hook Loop Upstream of Laleham Intake86915
84 cm12 Sept 2006Penton Hook Loop Upstream of Laleham Intake101360
81 cm31 Jul 2023Penton Hook, Weir Stream and Pool164073

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
Penton Hook to Chertsey (Laleham Main)1 Sept 199530 Jul 202521
Penton Hook, Weir Stream and Pool1 Sept 199521 Jul 202419
Penton Hook Bypass Channel6 Aug 20086 Aug 20081
Penton Hook Loop Upstream of Laleham Intake8 Sept 200510 Sept 20073

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

1995–2025

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 389 measured fish were spread across different length ranges.

Smallest
14.1 cm
Lower quarter
49 cm
Median
57.5 cm
Upper quarter
64.9 cm
Largest
95.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Penton Hook - Chertsey

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

Roach Chub Gudgeon Bleak Dace Pike

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 →