Perch · Perca fluviatilis

Perch in the River Ely Ouse

Largest measured perch: 34.3 cm

The largest perch measured in Environment Agency surveys of the River Ely Ouse was 34.3 cm, recorded at Branch Bridge on 7 August 2000.

Across 3,961 measured perch, the median measured length was 7.3 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 Ely Ouse.

See perch records across England →

Most recent observation18 October 2023Ten Mile Bank · 2 fish

Largest measured perch: 34.3 cm
Median length: 7.3 cm
Fish measured: 3,961
Survey locations: 10

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
34.3 cm	7 Aug 2000	Branch Bridge	30842
31.3 cm	2 Sept 1996	Wissey Outfall	29964
30.3 cm	15 Jul 1996	Queen Adelaide	29958
28.8 cm	7 Aug 2000	Branch Bridge	30842
27.5 cm	3 Oct 2017	Sandhill Bridge	151873
26.8 cm	2 Sept 1996	Wissey Outfall	29964
26.3 cm	26 Aug 1993	Branch Bridge	29949
25.3 cm	4 Aug 2000	Queen Adelaide	30841
25.1 cm	3 Oct 2017	Sandhill Bridge	151873
24.8 cm	2 Sept 1996	Wissey Outfall	29964

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
Ten Mile Bank	5 Sept 1990	18 Oct 2023	16
Little Thetford	6 Oct 1987	10 Oct 2023	17
Sandhill Bridge	10 Sept 1990	19 Sept 2023	16
Wissey Outfall	4 Sept 1990	25 Sept 2006	5
Denver	26 Sept 1990	22 Sept 2006	8
Brandon Creek	27 Sept 1990	18 Sept 2006	5
Plantation House	13 Sept 1990	14 Sept 2006	5
Branch Bridge	18 Sept 1990	12 Sept 2006	5
Queen Adelaide	8 Oct 1987	11 Sept 2006	9
Ely High Bridge	7 Oct 1987	8 Sept 2006	6

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

1987–2023

Survey records by year

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

387

088

089

1090

091

092

1093

094

095

1096

097

098

099

1000

001

002

503

504

505

1006

307

308

309

310

311

012

013

014

315

016

317

018

019

020

021

022

323

Fish measured by surveyors

Measured length distribution

See how the 3,961 measured fish were spread across different length ranges.

Smallest: 3.8 cm
Lower quarter: 6.5 cm
Median: 7.3 cm
Upper quarter: 10.3 cm
Largest: 34.3 cm

0–99 mm

2952

100–199 mm

944

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ely Ouse

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

Roach Common bream Ruffe Pike Zander Silver bream

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 →