Perch · Perca fluviatilis

Perch in the Alconbury Brook

Largest measured perch: 35.5 cm

The largest perch measured in Environment Agency surveys of the Alconbury Brook was 35.5 cm, recorded at Brampton Racecourse on 19 April 2006.

Across 277 measured perch, the median measured length was 7.1 cm.

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

See perch records across England →

Most recent observation27 May 2015Brampton Racecourse · 30 fish

Largest measured perch: 35.5 cm
Median length: 7.1 cm
Fish measured: 277
Survey locations: 4

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
35.5 cm	19 Apr 2006	Brampton Racecourse	90633
27.3 cm	29 Sept 1995	Brampton Racecourse	29076
24.3 cm	29 Sept 1995	Brampton Racecourse	29076
22.4 cm	4 Apr 2011	Brampton Racecourse	126058
22.3 cm	27 May 2015	Brampton Racecourse	144787
20.9 cm	27 May 2015	Brampton Racecourse	144787
20.8 cm	29 Jun 1998	Brampton Racecourse	29080
20.7 cm	27 May 2015	Brampton Racecourse	144787
19.9 cm	22 May 2015	Alconbury Village	144758
19.4 cm	27 May 2015	Brampton Racecourse	144787

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
Brampton Racecourse	16 Oct 1989	27 May 2015	7
Alconbury Village	20 Sept 1995	22 May 2015	3
DS A1 Lay-by	15 Dec 1995	24 Jun 1998	2
Hinchingbrooke	1 Nov 1989	27 Sept 1995	3

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

1989–2015

Survey records by year

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

289

090

091

292

093

094

495

096

097

298

099

000

001

002

003

004

005

106

007

008

009

010

211

012

013

014

215

Fish measured by surveyors

Measured length distribution

See how the 277 measured fish were spread across different length ranges.

Smallest: 4.2 cm
Lower quarter: 6.3 cm
Median: 7.1 cm
Upper quarter: 11.3 cm
Largest: 35.5 cm

0–99 mm

189

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Alconbury Brook

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

Pike European eel Roach Chub Dace Gudgeon

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 →