RiverFish

Common carp · Cyprinus carpio

Common carp in the Lee Navigation

Largest measured common carp: 81.6 cm

The largest common carp measured in Environment Agency surveys of the Lee Navigation was 81.6 cm, recorded at Ponders End on 30 August 2006.

Across 34 measured common carp, the median measured length was 62.7 cm.

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

See common carp records across England →

Most recent observation16 September 2025Upstream Carthagena Lock · 2 fish
Largest measured common carp
81.6 cm
Median length
62.7 cm
Fish measured
34
Survey locations
11

Individual EA measurements

Largest measured common carp

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
81.6 cm30 Aug 2006Ponders End101066
76.5 cm7 Aug 2025Enfield Lock177751
74.1 cm11 Jul 2024Hertford Basin166555
72.7 cm8 Sept 2008Picketts Lock114550
70.8 cm7 Aug 2025Enfield Lock177751
70.6 cm23 Aug 2023Enfield Lock163015
70.5 cm8 Jul 2025Hertford Basin177293
69.5 cm30 Aug 2006Ponders End101066
68.4 cm16 Sept 2025Upstream Carthagena Lock178653
67.5 cm30 Aug 2006Ponders End101066

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

Explore the river

Where common carp were found

Each point marks a survey location with at least one common carp 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 common carp
Upstream Carthagena Lock16 Sept 202516 Sept 20251
Enfield Lock22 Oct 20027 Aug 20255
Hertford Basin22 Jul 20108 Jul 20254
Ponders End30 Sept 200329 Aug 20235
u/s Springfield Marina3 Oct 20133 Oct 20131
Picketts Lock8 Sept 200818 Jul 20123
Fieldes Weir to Dobbs Weir lock30 Jun 201130 Jun 20111
Stanstead Lock to Hardmead Lock29 Jun 201129 Jun 20111
Rye House to Stanstead Lock29 Jun 201129 Jun 20111
Hertford Lock to Ware Lock28 Jun 201128 Jun 20111
Crown Fishery (Dobb's Lock + Carthagena)5 Feb 19935 Feb 19931

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

1993–2025

Survey records by year

Each bar shows how many survey visits recorded common carp that year.

Fish measured by surveyors

Measured length distribution

See how the 34 measured fish were spread across different length ranges.

Smallest
33 cm
Lower quarter
54.5 cm
Median
62.7 cm
Upper quarter
68.2 cm
Largest
81.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lee Navigation

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

Roach Perch Pike Chub Bleak Tench

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 →