Perch · Perca fluviatilis

Perch in the River Sapiston (Black Bourn)

Largest measured perch: 29.8 cm

The largest perch measured in Environment Agency surveys of the River Sapiston (Black Bourn) was 29.8 cm, recorded at Parkhouse Farm on 23 April 1992.

Across 276 measured perch, the median measured length was 8.7 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 perch records across England →

Most recent observation8 November 2018Euston · 8 fish

Largest measured perch: 29.8 cm
Median length: 8.7 cm
Fish measured: 276
Survey locations: 9

Individual EA measurements

Largest measured perch

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
29.8 cm	23 Apr 1992	Parkhouse Farm	30062
28.8 cm	23 Oct 1995	Sapiston Bridge	30070
27.8 cm	18 Oct 1995	Micklemere	30064
27.8 cm	18 Oct 1995	Micklemere	30064
27.8 cm	23 Apr 1992	Parkhouse Farm	30062
27.8 cm	23 Apr 1992	Parkhouse Farm	30062
27.7 cm	5 Sept 2012	Ixworth	133212
26.8 cm	26 Oct 1995	Parkhouse Farm	30073
26.8 cm	24 Oct 1995	US Burnthall Plantation	30071
26.3 cm	7 May 1992	Burnthall Plantation	30061

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 perch
Euston	22 Apr 1992	8 Nov 2018	3
Bailey Pool Bridge	21 May 1990	5 Nov 2018	4
Ixworth	11 Jul 1988	5 Sept 2012	5
Micklemere	10 May 1990	4 Sept 2012	5
Parkhouse Farm	13 Jul 1988	26 Oct 1995	3
Burnthall Plantation	7 May 1992	26 Oct 1995	2
US Burnthall Plantation	5 May 1992	24 Oct 1995	2
Sapiston Bridge	24 Apr 1992	23 Oct 1995	2
Ixworth Mill	12 May 1992	12 May 1992	1

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

1988–2018

Survey records by year

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

288

089

290

091

992

093

094

895

096

097

098

099

100

001

002

003

004

005

006

007

008

109

010

011

212

013

014

015

016

017

218

Fish measured by surveyors

Measured length distribution

See how the 276 measured fish were spread across different length ranges.

Smallest: 5.8 cm
Lower quarter: 7.8 cm
Median: 8.7 cm
Upper quarter: 16.3 cm
Largest: 29.8 cm

0–99 mm

160

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 →