Roach · Rutilus rutilus

Roach in the Hey Brook

Largest measured roach: 25.4 cm

The largest roach measured in Environment Agency surveys of the Hey Brook was 25.4 cm, recorded at Glhe05 on 8 April 2005.

Across 73 measured roach, the median measured length was 10.7 cm.

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

See roach records across England →

Most recent observation27 May 2026Glhe05 · 4 fish

Largest measured roach: 25.4 cm
Median length: 10.7 cm
Fish measured: 73
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 Apr 2005	Glhe05	84371
24.7 cm	8 Apr 2005	Glhe05	84371
23.1 cm	8 Apr 2005	Glhe05	84371
23.1 cm	8 Apr 2005	Glhe05	84371
21.8 cm	8 Apr 2005	Glhe05	84371
21.7 cm	8 Apr 2005	Glhe05	84371
20 cm	8 Apr 2005	Glhe05	84371
19.5 cm	8 Apr 2005	Glhe05	84371
19.5 cm	8 Apr 2005	Glhe05	84371
19.4 cm	27 May 2026	Glhe05	181639

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
Glhe05	9 Jun 1999	27 May 2026	4
Glhe10	8 Apr 2005	8 Apr 2005	1

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

1999–2026

Survey records by year

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

199

000

001

002

003

004

205

006

007

008

009

010

111

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 73 measured fish were spread across different length ranges.

Smallest: 1.1 cm
Lower quarter: 8.7 cm
Median: 10.7 cm
Upper quarter: 15.8 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 Hey Brook

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

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 →