Perch · Perca fluviatilis

Perch in the River Eden

Largest measured perch: 37.4 cm

The largest perch measured in Environment Agency surveys of the River Eden was 37.4 cm, recorded at Delaware Farm on 23 July 2019.

Across 477 measured perch, the median measured length was 10.4 cm.

Surveyors recorded weights for 25 perch. The median was 1.3 oz (0.036 kg) and the largest recorded weight was 2 lb 0.1 oz (0.91 kg).

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

See perch records across England →

Most recent observation12 June 2025Delaware Farm · 36 fish

Largest measured perch: 37.4 cm
Median length: 10.4 cm
Fish measured: 477
Survey locations: 7

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
37.4 cm	23 Jul 2019	Delaware Farm	154966
37.2 cm	20 Aug 2002	Haxted Mill	66400
36.5 cm	10 Jun 2025	Haxted Mill	177050
35.5 cm	28 May 2025	Cernes Farm	177051
35.1 cm	12 Jun 2025	Delaware Farm	177053
35 cm	12 Jun 2025	Delaware Farm	177053
35 cm	15 Jul 2009	Delaware Farm	119255
35 cm	7 Jul 2009	Haxted Mill	119366
33.6 cm	9 May 2007	Haxted Mill	106481
32.6 cm	18 Oct 2005	Cernes Farm	87500

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
Delaware Farm	25 Apr 2002	12 Jun 2025	14
Haxted Mill	20 Aug 2002	10 Jun 2025	9
u/s Bough Beech Intake	20 Dec 2001	4 Jun 2025	13
u/s Vexour Bridge	19 Aug 2002	3 Jun 2025	13
Cernes Farm	19 Aug 2002	28 May 2025	10
Long Acres	25 May 2016	25 May 2016	1
d/s Bough Beech Intake	10 Jan 2002	10 Jan 2002	1

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

2001–2025

Survey records by year

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

101

602

303

404

405

506

507

508

509

510

011

012

513

014

015

516

017

018

319

020

021

022

023

024

525

Fish measured by surveyors

Measured length distribution

See how the 477 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 7.7 cm
Median: 10.4 cm
Upper quarter: 15 cm
Largest: 37.4 cm

0–99 mm

215

100–199 mm

206

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 25 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.5 oz (0.015 kg)
Median: 1.3 oz (0.036 kg)
Upper quarter: 2 oz (0.057 kg)
Heaviest: 2 lb 0.1 oz (0.91 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Eden

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

Roach Chub Gudgeon Minnow Stone loach Dace

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 →