Perch · Perca fluviatilis

Perch in the River Wantsum

Largest measured perch: 31.5 cm

The largest perch measured in Environment Agency surveys of the River Wantsum was 31.5 cm, recorded at Wantsum AC car park on 3 August 2004.

Across 226 measured perch, the median measured length was 9.4 cm.

Surveyors recorded weights for 79 perch. The median was 0.6 oz (0.018 kg) and the largest recorded weight was 1 lb 1.9 oz (0.508 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 Wantsum.

See perch records across England →

Most recent observation30 April 2026Wantsum AC car park · 3 fish

Largest measured perch: 31.5 cm
Median length: 9.4 cm
Fish measured: 226
Survey locations: 2

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
31.5 cm	3 Aug 2004	Wantsum AC car park	82572
28.8 cm	30 Oct 2003	Wantsum AC car park	78487
26 cm	27 Jul 2004	Reculver Sluice	82576
24.2 cm	22 Sept 2006	Wantsum AC car park	103383
22.1 cm	30 Oct 2003	Wantsum AC car park	78487
19 cm	12 May 2011	Wantsum AC car park	128192
16.8 cm	3 Aug 2004	Wantsum AC car park	82572
16.6 cm	27 Jul 2004	Reculver Sluice	82576
16.5 cm	27 Jul 2004	Reculver Sluice	82576
16.2 cm	3 Aug 2004	Wantsum AC car park	82572

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
Wantsum AC car park	30 Oct 2003	30 Apr 2026	7
Reculver Sluice	27 Jul 2004	14 Jul 2015	5

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

2003–2026

Survey records by year

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

103

204

205

206

007

008

009

010

211

012

013

014

215

016

017

018

019

020

021

022

023

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 226 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 8.2 cm
Median: 9.4 cm
Upper quarter: 12.4 cm
Largest: 31.5 cm

0–99 mm

126

100–199 mm

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 79 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.5 oz (0.013 kg)
Median: 0.6 oz (0.018 kg)
Upper quarter: 0.8 oz (0.0235 kg)
Heaviest: 1 lb 1.9 oz (0.508 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 Wantsum

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

Roach Common bream Rudd Tench Common carp 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 →