Perch · Perca fluviatilis

Perch in the Marley Gap Brook

Largest measured perch: 17.9 cm

The largest perch measured in Environment Agency surveys of the Marley Gap Brook was 17.9 cm, recorded at Manchester Arms on 2 September 2019.

Across 24 measured perch, the median measured length was 12.8 cm.

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

See perch records across England →

Most recent observation24 July 2025Manchester Arms · 3 fish

Largest measured perch: 17.9 cm
Median length: 12.8 cm
Fish measured: 24
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
17.9 cm	2 Sept 2019	Manchester Arms	155585
16.3 cm	2 Sept 2019	Manchester Arms	155585
15.8 cm	2 Sept 2019	Manchester Arms	155585
15.6 cm	2 Sept 2019	Manchester Arms	155585
15.6 cm	7 Jul 2016	Manchester Arms	148389
15.1 cm	2 Sept 2019	Manchester Arms	155585
15.1 cm	2 Sept 2019	Manchester Arms	155585
14.3 cm	2 Sept 2019	Manchester Arms	155585
14.1 cm	24 Jul 2025	Manchester Arms	177494
14.1 cm	2 Sept 2019	Manchester Arms	155585

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
Manchester Arms	13 Jan 2010	24 Jul 2025	4
Paynes Way	13 Jan 2010	13 Jan 2010	1
Conger Lane	13 Jan 2010	13 Jan 2010	1

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

2010–2025

Survey records by year

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

310

011

012

013

014

015

116

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 24 measured fish were spread across different length ranges.

Smallest: 5.6 cm
Lower quarter: 9.8 cm
Median: 12.8 cm
Upper quarter: 15.1 cm
Largest: 17.9 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Marley Gap Brook

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

Chub Dace European eel Gudgeon Roach

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 →