RiverFish

Tench · Tinca tinca

Tench in the River Lee

Largest measured tench: 51.3 cm

The largest tench measured in Environment Agency surveys of the River Lee was 51.3 cm, recorded at Powder Mill Cut on 2 October 2003.

Across 489 measured tench, the median measured length was 11.5 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 Lee.

See tench records across England →

Most recent observation15 July 2025Amwell Loop · 1 fish
Largest measured tench
51.3 cm
Median length
11.5 cm
Fish measured
489
Survey locations
16

Individual EA measurements

Largest measured tench

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

LengthSurvey dateSurvey locationSurvey ID
51.3 cm2 Oct 2003Powder Mill Cut78018
49.1 cm12 Sept 2006Flour Mills Loop101528
48.5 cm2 Oct 2003Powder Mill Cut78018
46.5 cm2 Oct 2003Powder Mill Cut78018
46.3 cm29 May 2014Kings Weir Back Loop140926
46.3 cm11 Jun 1992Kings Weir115765
46 cm1 Oct 2004Flour Mills Loop83119
45.8 cm26 Aug 2004Powder Mill Cut81753
45.6 cm22 Oct 1992Powder Mill Cut116060
45 cm1 Jul 2009Flour Mills Loop117662

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

Explore the river

Where tench were found

Each point marks a survey location with at least one tench 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 tench
Amwell Loop12 Apr 197815 Jul 20253
Fishers Green8 Aug 201711 Jul 20192
Hackney Marshes11 Nov 200322 Aug 20176
Powder Mill Cut22 Oct 199227 Jul 20156
Kings Weir Back Loop29 May 201429 May 20141
Woolmers Park30 Sept 200416 Jul 20135
Stonebridge to Tottenham Lock7 Oct 200912 Oct 20102
Tottenham Lock d/s8 Oct 20098 Oct 20091
Flour Mills Loop11 Feb 19931 Jul 20096
Stanborough Park2 Aug 20072 Aug 20071
Bayford27 Oct 200627 Oct 20061
Hertford County Hall AS28 Nov 200328 Nov 20031
Hartham Common22 Aug 200322 Aug 20031
Kings Weir11 Jun 199211 Jun 19921
Hertford Football Ground29 Mar 197829 Mar 19781
Downstream Cecil Saw Mills15 Mar 197815 Mar 19781

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

1978–2025

Survey records by year

Each bar shows how many survey visits recorded tench that year.

Fish measured by surveyors

Measured length distribution

See how the 489 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
9.3 cm
Median
11.5 cm
Upper quarter
17 cm
Largest
51.3 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 →