Perch · Perca fluviatilis

Perch in the River West Fen Catchwater

Largest measured perch: 35.2 cm

The largest perch measured in Environment Agency surveys of the River West Fen Catchwater was 35.2 cm, recorded at West Houses on 2 May 2013.

Across 3,758 measured perch, the median measured length was 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 West Fen Catchwater.

See perch records across England →

Most recent observation26 April 2019West Houses · 5 fish

Largest measured perch: 35.2 cm
Median length: 7 cm
Fish measured: 3,758
Survey locations: 6

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
35.2 cm	2 May 2013	West Houses	135981
27.6 cm	12 Jun 2008	West Houses	111304
27.3 cm	2 May 2013	West Houses	135981
25.5 cm	12 Jun 2008	West Houses	111304
25.1 cm	12 Jun 2008	West Houses	111304
24.5 cm	12 Jun 2008	West Houses	111304
24.1 cm	12 Jun 2008	West Houses	111304
23.5 cm	20 Apr 1993	Hall Lane Stickney	58231
22.5 cm	12 Jun 2008	West Houses	111304
22.2 cm	12 Jun 2008	West Houses	111304

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
West Houses	6 May 1987	26 Apr 2019	18
Hagnaby Lock	5 May 1987	16 May 2012	10
Hall Lane Stickney	2 Dec 1987	12 May 2000	5
Revesby Bridge	27 Jun 1990	11 May 2000	4
Tumby Woodside	14 Apr 1993	9 May 2000	3
Mareham-Le-Fen	14 Apr 1993	9 May 2000	2

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

1987–2019

Survey records by year

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

387

088

089

490

091

092

693

094

095

596

097

098

099

600

001

202

203

204

105

206

107

108

109

110

011

212

113

014

015

116

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 3,758 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 6.3 cm
Median: 7 cm
Upper quarter: 8.1 cm
Largest: 35.2 cm

0–99 mm

3273

100–199 mm

470

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River West Fen Catchwater

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

Pike Roach Ruffe Gudgeon Tench 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 →