Roach · Rutilus rutilus

Roach in the Marley Gap Brook

Largest measured roach: 16.1 cm

The largest roach measured in Environment Agency surveys of the Marley Gap Brook was 16.1 cm, recorded at Manchester Arms on 7 July 2016.

Across 109 measured roach, the median measured length was 10.1 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 roach records across England →

Most recent observation2 September 2019Manchester Arms · 103 fish

Largest measured roach: 16.1 cm
Median length: 10.1 cm
Fish measured: 109
Survey locations: 3

Individual EA measurements

Largest measured roach

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
16.1 cm	7 Jul 2016	Manchester Arms	148389
15.6 cm	2 Sept 2019	Manchester Arms	155585
15.1 cm	2 Sept 2019	Manchester Arms	155585
13.4 cm	2 Sept 2019	Manchester Arms	155585
13.2 cm	7 Jul 2016	Manchester Arms	148389
13.2 cm	7 Jul 2016	Manchester Arms	148389
13.1 cm	2 Sept 2019	Manchester Arms	155585
12.2 cm	2 Sept 2019	Manchester Arms	155585
12.2 cm	2 Sept 2019	Manchester Arms	155585
12.1 cm	2 Sept 2019	Manchester Arms	155585

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Manchester Arms	13 Jan 2010	2 Sept 2019	3
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.

2010–2019

Survey records by year

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

310

011

012

013

014

015

116

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 109 measured fish were spread across different length ranges.

Smallest: 4.4 cm
Lower quarter: 7.4 cm
Median: 10.1 cm
Upper quarter: 11.2 cm
Largest: 16.1 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 Perch

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 →