RiverFish

Tench · Tinca tinca

Tench in the South Holland Main Drain

Largest measured tench: 50.6 cm

The largest tench measured in Environment Agency surveys of the South Holland Main Drain was 50.6 cm, recorded at Shell Bridge on 4 April 2011.

Across 241 measured tench, the median measured length was 10 cm.

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

See tench records across England →

Most recent observation1 April 2025Coy Sluice · 2 fish
Largest measured tench
50.6 cm
Median length
10 cm
Fish measured
241
Survey locations
11

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
50.6 cm4 Apr 2011Shell Bridge126078
48.8 cm15 Apr 2009Shell Bridge117188
48 cm6 Mar 2006Donnington Pumping Station?90519
47.3 cm15 Apr 2008Shell Bridge110695
47 cm8 Jul 1994Upstream Coy Sluice54704
46.5 cm12 Jan 1988Bells Bridge54681
46.3 cm5 Apr 2011Leedsgate Bridge126080
45.8 cm15 Apr 2009Shell Bridge117188
44.7 cm5 Apr 2011Leedsgate Bridge126080
44.5 cm15 Apr 2008Shell Bridge110695

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
Coy Sluice13 Jun 20011 Apr 202510
Shell Bridge27 Jun 199126 Mar 20257
Cliftons Bridge21 Jun 199127 Apr 20167
Leedsgate Bridge8 Jan 19885 Apr 20114
Upstream Wisemans Pumping Station5 Jan 198814 Apr 20092
Foremans Bridge26 Apr 200726 Apr 20071
Donnington Pumping Station?6 Mar 20066 Mar 20061
Downstream Coy Sluice20 Jun 199113 Jun 20012
Upstream Coy Sluice8 Jul 19944 Jun 19972
Holland House1 Jul 19911 Jul 19911
Bells Bridge12 Jan 198812 Jan 19881

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

1988–2025

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 241 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
8 cm
Median
10 cm
Upper quarter
15 cm
Largest
50.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the South Holland Main Drain

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

Roach Pike Gudgeon Common bream Perch Rudd

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 →