Perch · Perca fluviatilis

Perch in the Bourn/Black Brook

Largest measured perch: 25.8 cm

The largest perch measured in Environment Agency surveys of the Bourn/Black Brook was 25.8 cm, recorded at Hints on 7 May 1991.

Across 45 measured perch, the median measured length was 19.3 cm.

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

See perch records across England →

Most recent observation6 July 2015Fazeley · 1 fish

Largest measured perch: 25.8 cm
Median length: 19.3 cm
Fish measured: 45
Survey locations: 5

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
25.8 cm	7 May 1991	Hints	4261
25.8 cm	7 May 1991	Hints	4261
24.2 cm	7 May 1991	Hints	4261
24 cm	23 Jul 1996	Thickbroom	5130
23.6 cm	17 Jul 1996	Hints	5128
23.4 cm	15 Jun 1999	Thickbroom	83286
23 cm	7 May 1991	Hints	4261
22.7 cm	14 Jan 2003	Shenstone, Lammas Land	73570
22.7 cm	23 Jul 1996	Thickbroom	5130
22.6 cm	1 May 1991	Thickbroom	4263

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
Fazeley	9 Jul 2013	6 Jul 2015	2
Shenstone, Lammas Land	14 Jan 2003	14 Jan 2003	1
Thickbroom	1 May 1991	15 Jun 1999	4
Hints	7 May 1991	17 Jul 1996	3
Lodge Farm	21 Apr 1993	21 Apr 1993	1

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

1991–2015

Survey records by year

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

291

092

393

094

095

296

097

098

199

000

001

002

103

004

005

006

007

008

009

010

011

012

113

014

115

Fish measured by surveyors

Measured length distribution

See how the 45 measured fish were spread across different length ranges.

Smallest: 11.6 cm
Lower quarter: 16 cm
Median: 19.3 cm
Upper quarter: 21 cm
Largest: 25.8 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bourn/Black Brook

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

Roach Dace Brown / sea trout Bullhead Stone loach 3-spined stickleback

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 →