Perch · Perca fluviatilis

Perch in the North Stream

Largest measured perch: 39.8 cm

The largest perch measured in Environment Agency surveys of the North Stream was 39.8 cm, recorded at Sandwich on 23 May 2012.

Across 26 measured perch, the median measured length was 15.2 cm.

Surveyors recorded weights for 4 perch. The median was 1.6 oz (0.046 kg) and the largest recorded weight was 6.8 oz (0.192 kg).

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

See perch records across England →

Most recent observation26 June 2024Sandwich · 1 fish

Largest measured perch: 39.8 cm
Median length: 15.2 cm
Fish measured: 26
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
39.8 cm	23 May 2012	Sandwich	131542
34 cm	17 Aug 2006	Sandwich	101533
22.8 cm	4 Nov 2002	Sandwich	72846
18.5 cm	23 May 2012	Sandwich	131542
18.3 cm	5 Jul 2012	Mole's Hole	132914
17.7 cm	23 May 2012	Sandwich	131542
17.2 cm	17 Aug 2006	Sandwich	101533
17.1 cm	23 May 2012	Sandwich	131542
16.7 cm	23 May 2012	Sandwich	131542
16.5 cm	17 Aug 2006	Sandwich	101533

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
Sandwich	4 Nov 2002	26 Jun 2024	4
Mole's Hole	5 Jul 2012	5 Jul 2012	1

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

2002–2024

Survey records by year

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

102

003

004

005

106

007

008

009

010

011

212

013

014

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 26 measured fish were spread across different length ranges.

Smallest: 5.5 cm
Lower quarter: 13.5 cm
Median: 15.3 cm
Upper quarter: 17.2 cm
Largest: 39.8 cm

0–99 mm

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

Lightest: 0.3 oz (0.008 kg)
Lower quarter: 1.2 oz (0.035 kg)
Median: 1.6 oz (0.046 kg)
Upper quarter: 3 oz (0.084 kg)
Heaviest: 6.8 oz (0.192 kg)

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

More fish in this river

Explore the North Stream

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

European eel Pike

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 →