RiverFish

Common carp · Cyprinus carpio

Common carp in the River Lee

Largest measured common carp: 65.6 cm

The largest common carp measured in Environment Agency surveys of the River Lee was 65.6 cm, recorded at Hartham Common on 25 June 2015.

Across 98 measured common carp, the median measured length was 46 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 Lee.

See common carp records across England →

Most recent observation7 July 2026Fishers Green · 1 fish
Largest measured common carp
65.6 cm
Median length
46 cm
Fish measured
98
Survey locations
17

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
65.6 cm25 Jun 2015Hartham Common145187
64.8 cm26 Jun 2014Hartham Common141379
63.2 cm8 Oct 2009Tottenham Lock d/s121187
62.7 cm7 Sept 2004Hyde Mill82061
62 cm22 Aug 2011Hackney Marshes127629
60 cm13 Oct 2010Tottenham Lock d/s124485
59.6 cm9 Oct 2002Hyde Mill72642
57.7 cm20 Jun 2019Hyde Mill154625
56.8 cm13 Jul 2017Wheathampstead150855
56.7 cm7 Sept 2004Hyde Mill82061

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
Fishers Green7 Jul 20267 Jul 20261
Wheathampstead1 Aug 20123 Jul 20254
Hyde Mill9 Oct 200217 Jun 202510
Hackney Marshes11 Nov 20035 Sept 20195
Hartham Common2 Jul 201321 Jun 20184
County Hall22 Mar 201222 Mar 20121
Tottenham Lock d/s8 Oct 200913 Oct 20102
Woolmers Park1 Nov 20029 Aug 20107
Bush hall27 Nov 200727 Nov 20071
Vauxhall Leisure Centre6 Jun 20066 Jun 20061
Bayford7 Nov 200315 Sept 20042
Hertford County Hall AS28 Nov 200328 Nov 20031
Powder Mill Cut2 Oct 20032 Oct 20031
Flour Mills Loop25 Sept 200325 Sept 20031
Stanborough Park10 Sept 200310 Sept 20031
Hertford Football Ground29 Mar 197829 Mar 19781
Water Hall Farm22 Mar 197822 Mar 19781

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

1978–2026

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 98 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
32.7 cm
Median
46 cm
Upper quarter
51 cm
Largest
65.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lee

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

Roach Perch Gudgeon Minnow Chub 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 →