Perch · Perca fluviatilis

Perch in the St Ives Chub Stream

Largest measured perch: 21 cm

The largest perch measured in Environment Agency surveys of the St Ives Chub Stream was 21 cm, recorded at St Ives Chub Stream on 8 April 2025.

Across 298 measured perch, the median measured length was 8.3 cm.

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

See perch records across England →

Most recent observation8 April 2025St Ives Chub Stream · 81 fish

Largest measured perch: 21 cm
Median length: 8.3 cm
Fish measured: 298
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
21 cm	8 Apr 2025	St Ives Chub Stream	176250
20.5 cm	8 Apr 2025	St Ives Chub Stream	176250
20.5 cm	8 Apr 2025	St Ives Chub Stream	176250
20 cm	8 Apr 2025	St Ives Chub Stream	176250
19.5 cm	8 Apr 2025	St Ives Chub Stream	176250
18.9 cm	2 May 2019	St Ives Chub Stream	154454
18 cm	8 Apr 2025	St Ives Chub Stream	176250
17.5 cm	8 Apr 2025	St Ives Chub Stream	176250
17.3 cm	14 Aug 1995	St Ives Chub Stream	29303
17.1 cm	8 Apr 2025	St Ives Chub Stream	176250

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
St Ives Chub Stream	11 Sept 1992	8 Apr 2025	7
St Ives Chub Stream (Eel Monitoring)	9 Jul 2013	9 Jul 2013	1

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

1992–2025

Survey records by year

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

192

093

094

195

096

097

198

099

000

001

002

003

004

005

106

007

008

009

010

011

012

213

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 298 measured fish were spread across different length ranges.

Smallest: 5.8 cm
Lower quarter: 7.2 cm
Median: 8.3 cm
Upper quarter: 9.8 cm
Largest: 21 cm

0–99 mm

227

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the St Ives Chub Stream

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

European eel Chub Dace Gudgeon Roach Bleak

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 →