RiverFish

Tench · Tinca tinca

Tench in the Bow Lake

Largest measured tench: 10 cm

The largest tench measured in Environment Agency surveys of the Bow Lake was 10 cm, recorded at Bow Lake Fish Farm Upper on 27 June 2025.

Across 11 measured tench, the median measured length was 6.2 cm.

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

See tench records across England →

Most recent observation27 June 2025Bow Lake Fish Farm Upper · 2 fish
Largest measured tench
10 cm
Median length
6.2 cm
Fish measured
11
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.

LengthSurvey dateSurvey locationSurvey ID
10 cm27 Jun 2025Bow Lake Fish Farm Upper177103
10 cm26 Oct 2009Bow lake fish farm119794
8.6 cm26 Oct 2009Bow lake fish farm119794
8 cm26 Oct 2009Bow lake fish farm119794
6.7 cm26 Oct 2009Bow lake fish farm119794
6.2 cm1 Sept 2011Leyland's Farm127672
5.8 cm26 Oct 2009Bow lake fish farm119794
4.8 cm1 Sept 2011Leyland's Farm127672
4.8 cm1 Sept 2011Leyland's Farm127672
4.5 cm27 Jun 2025Bow Lake Fish Farm Upper177103

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
Bow Lake Fish Farm Upper27 Jun 202527 Jun 20251
Leyland's Farm1 Sept 20111 Sept 20111
Bow lake fish farm26 Oct 200926 Oct 20091

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

2009–2025

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 11 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
4.8 cm
Median
6.2 cm
Upper quarter
8.3 cm
Largest
10 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bow Lake

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

3-spined stickleback Gudgeon Stone loach European eel Roach

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 →