Tench · Tinca tinca

Tench in the River Sapiston (Black Bourn)

Largest measured tench: 25.8 cm

The largest tench measured in Environment Agency surveys of the River Sapiston (Black Bourn) was 25.8 cm, recorded at Ixworth on 20 October 1995.

Across 9 measured tench, the median measured length was 16.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Sapiston (Black Bourn).

See tench records across England →

Most recent observation26 August 2009Micklemere · 1 fish

Largest measured tench: 25.8 cm
Median length: 16.3 cm
Fish measured: 9
Survey locations: 7

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
25.8 cm	20 Oct 1995	Ixworth	30067
17.8 cm	7 May 1992	Burnthall Plantation	30061
17.8 cm	5 May 1992	US Burnthall Plantation	30060
16.8 cm	17 Oct 1995	Ixworth Mill	30068
16.3 cm	30 Mar 1989	Ixworth	30038
15.3 cm	22 May 1992	Ixworth	30056
15.3 cm	8 May 1992	Bardwell Mill	30058
14.8 cm	24 Apr 1992	Sapiston Bridge	30059
5.3 cm	12 May 1992	Ixworth Mill	30057

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
Micklemere	26 Aug 2009	26 Aug 2009	1
Ixworth	30 Mar 1989	20 Oct 1995	3
Ixworth Mill	12 May 1992	17 Oct 1995	2
Bardwell Mill	8 May 1992	8 May 1992	1
Burnthall Plantation	7 May 1992	7 May 1992	1
US Burnthall Plantation	5 May 1992	5 May 1992	1
Sapiston Bridge	24 Apr 1992	24 Apr 1992	1

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

1989–2009

Survey records by year

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

189

090

091

692

093

094

295

096

097

098

099

000

001

002

003

004

005

006

007

008

109

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 15.3 cm
Median: 16.3 cm
Upper quarter: 17.8 cm
Largest: 25.8 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 River Sapiston (Black Bourn)

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

Dace Roach Gudgeon Pike Chub European eel

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 →