Perch · Perca fluviatilis

Perch in the Sankey Brook

Largest measured perch: 21.1 cm

The largest perch measured in Environment Agency surveys of the Sankey Brook was 21.1 cm, recorded at Sasa05 on 22 June 2005.

Across 5 measured perch, the median measured length was 15.4 cm.

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

See perch records across England →

Most recent observation13 May 2026Sabl05 · 1 fish

Largest measured perch: 21.1 cm
Median length: 15.4 cm
Fish measured: 5
Survey locations: 3

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
21.1 cm	22 Jun 2005	Sasa05	85994
18.6 cm	22 Jun 2005	Sasa05	85994
15.4 cm	13 May 2026	Sabl05	181395
15 cm	25 Jul 2000	SA04(a)	79746
13.5 cm	25 Jul 2000	SA04(a)	79746

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
Sabl05	13 May 2026	13 May 2026	1
Sasa05	22 Jun 2005	22 Jun 2005	1
SA04(a)	25 Jul 2000	25 Jul 2000	1

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

2000–2026

Survey records by year

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

100

001

002

003

004

105

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 5 measured fish were spread across different length ranges.

Smallest: 13.5 cm
Lower quarter: 15 cm
Median: 15.4 cm
Upper quarter: 18.6 cm
Largest: 21.1 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sankey Brook

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

Roach European eel Gudgeon Chub 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 →