Tench · Tinca tinca

Tench in the Louth Canal

Largest measured tench: 29.9 cm

The largest tench measured in Environment Agency surveys of the Louth Canal was 29.9 cm, recorded at Thoresby Bridge on 7 September 1995.

Across 16 measured tench, the median measured length was 18.5 cm.

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

See tench records across England →

Most recent observation18 June 1999Tetney Lock · 1 fish

Largest measured tench: 29.9 cm
Median length: 18.5 cm
Fish measured: 16
Survey locations: 3

Individual EA measurements

Largest measured tench

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

Length	Survey date	Survey location	Survey ID
29.9 cm	7 Sept 1995	Thoresby Bridge	58046
29.8 cm	8 Sept 1995	Tetney Lock	58047
24.4 cm	25 May 1999	Firebeacon	58059
23.3 cm	16 Jun 1999	Thoresby Bridge	58060
23.1 cm	18 Jun 1999	Tetney Lock	58061
23.1 cm	6 Sept 1995	Firebeacon	58045
21.7 cm	25 May 1999	Firebeacon	58059
18.5 cm	16 Jun 1999	Thoresby Bridge	58060
18.5 cm	25 May 1999	Firebeacon	58059
11.4 cm	16 Jun 1999	Thoresby Bridge	58060

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 surveyed	First recorded	Last recorded	Visits finding tench
Tetney Lock	14 Sept 1992	18 Jun 1999	3
Thoresby Bridge	9 Jun 1986	16 Jun 1999	4
Firebeacon	9 Sept 1992	25 May 1999	3

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

1986–1999

Survey records by year

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

186

087

088

089

090

091

392

093

094

395

096

097

098

399

Fish measured by surveyors

Measured length distribution

See how the 16 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 9.2 cm
Median: 18.5 cm
Upper quarter: 23.2 cm
Largest: 29.9 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Louth Canal

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

Roach European eel 3-spined stickleback Gudgeon Perch 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 →