Roach · Rutilus rutilus

Roach in the Emm Brook

Largest measured roach: 25.4 cm

The largest roach measured in Environment Agency surveys of the Emm Brook was 25.4 cm, recorded at Toutley Bridge on 8 May 2013.

Across 79 measured roach, the median measured length was 14.3 cm.

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

See roach records across England →

Most recent observation14 May 2026Toutley Bridge · 25 fish

Largest measured roach: 25.4 cm
Median length: 14.3 cm
Fish measured: 79
Survey locations: 2

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
25.4 cm	8 May 2013	Toutley Bridge	135957
24.7 cm	22 Apr 2010	Toutley Bridge	121430
24.6 cm	22 Apr 2010	Toutley Bridge	121430
23.8 cm	8 May 2013	Toutley Bridge	135957
23.7 cm	22 Apr 2010	Toutley Bridge	121430
22.7 cm	22 Apr 2010	Toutley Bridge	121430
22 cm	22 Apr 2010	Toutley Bridge	121430
21.6 cm	14 May 2026	Toutley Bridge	181333
21.6 cm	22 Apr 2010	Toutley Bridge	121430
21.3 cm	22 Apr 2010	Toutley Bridge	121430

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
Toutley Bridge	4 Dec 1991	14 May 2026	4
Dinton Pastures	14 Nov 1991	23 May 2006	2

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

1991–2026

Survey records by year

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

291

092

093

094

095

096

097

098

099

000

001

002

003

004

005

106

007

008

009

110

011

012

113

014

015

016

017

018

019

020

021

022

023

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 79 measured fish were spread across different length ranges.

Smallest: 8 cm
Lower quarter: 11 cm
Median: 14.3 cm
Upper quarter: 18.2 cm
Largest: 25.4 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Emm Brook

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

Perch Chub Pike Dace Gudgeon

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 →