Roach · Rutilus rutilus

Roach in the River Wheelock

Largest measured roach: 28.1 cm

The largest roach measured in Environment Agency surveys of the River Wheelock was 28.1 cm, recorded at Dawh20 on 15 June 2004.

Across 607 measured roach, the median measured length was 12.3 cm.

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

See roach records across England →

Most recent observation20 August 2024Dawh06 · 9 fish

Largest measured roach: 28.1 cm
Median length: 12.3 cm
Fish measured: 607
Survey locations: 10

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
28.1 cm	15 Jun 2004	Dawh20	80208
26 cm	21 Jul 2005	Dawh20	85197
24.5 cm	27 Jul 2001	Dawh05	55009
20.5 cm	21 Jul 2005	Dawh20	85197
20.5 cm	21 Jul 1997	Wh03	60002
20 cm	5 Jul 2006	Dawh06	100158
20 cm	21 Jul 2005	Dawh20	85197
19.9 cm	21 Jul 2005	Dawh20	85197
19.6 cm	15 Jun 2004	Dawh20	80208
19.5 cm	5 Jul 2006	Dawh06	100158

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
Dawh06	29 Aug 2002	20 Aug 2024	7
Dawh20	16 Jul 2001	23 May 2014	7
Dawh10	29 Aug 2002	23 May 2014	5
Dawh15	16 Jul 2001	5 Jul 2006	5
Dawh25	10 Jul 2001	28 Jun 2006	7
Dawh05	27 Jul 2001	27 Jul 2001	1
Wh04	30 Sept 1997	30 Sept 1997	1
Wh05	21 Jul 1997	21 Jul 1997	1
Wh03	21 Jul 1997	21 Jul 1997	1
Wh02	21 Jul 1997	21 Jul 1997	1

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

1997–2024

Survey records by year

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

497

098

099

000

401

502

403

504

505

406

007

008

009

010

211

012

013

214

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 607 measured fish were spread across different length ranges.

Smallest: 3 cm
Lower quarter: 10 cm
Median: 12.3 cm
Upper quarter: 14.5 cm
Largest: 28.1 cm

0–99 mm

151

100–199 mm

449

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wheelock

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

Gudgeon 3-spined stickleback Chub Bullhead European eel 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 →