RiverFish

Tench · Tinca tinca

Tench in the Grand Union Canal

Largest measured tench: 38.3 cm

The largest tench measured in Environment Agency surveys of the Grand Union Canal was 38.3 cm, recorded at Linford Manor Park on 25 March 1990.

Across 11 measured tench, the median measured length was 25.3 cm.

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

See tench records across England →

Most recent observation4 April 1990Cosgrove · 4 fish
Largest measured tench
38.3 cm
Median length
25.3 cm
Fish measured
11
Survey locations
5

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
38.3 cm25 Mar 1990Linford Manor Park28790
37.3 cm28 Mar 1990Wolverton28792
33.3 cm28 Mar 1990Wolverton28792
30.3 cm4 Apr 1990Cosgrove28793
29.3 cm23 Mar 1990Stoke Bruerne28796
25.3 cm2 Apr 1990Yardley Gobion GUC28794
24.3 cm25 Mar 1990Linford Manor Park28790
22.3 cm4 Apr 1990Cosgrove28793
19.3 cm4 Apr 1990Cosgrove28793
18.8 cm4 Apr 1990Cosgrove28793

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
Cosgrove4 Apr 19904 Apr 19901
Yardley Gobion GUC2 Apr 19902 Apr 19901
Wolverton28 Mar 199028 Mar 19901
Linford Manor Park25 Mar 199025 Mar 19901
Stoke Bruerne23 Mar 199023 Mar 19901

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

1990–1990

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 11 measured fish were spread across different length ranges.

Smallest
16.3 cm
Lower quarter
20.8 cm
Median
25.3 cm
Upper quarter
31.8 cm
Largest
38.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Grand Union Canal

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

Perch Common bream Gudgeon Roach Ruffe 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 →