Roach · Rutilus rutilus

Roach in the River Maun

Largest measured roach: 31.5 cm

The largest roach measured in Environment Agency surveys of the River Maun was 31.5 cm, recorded at Whitewater Bridge on 10 September 2001.

Across 600 measured roach, the median measured length was 13.2 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 Maun.

See roach records across England →

Most recent observation23 June 2023Whitewater Bridge · 5 fish

Largest measured roach: 31.5 cm
Median length: 13.2 cm
Fish measured: 600
Survey locations: 5

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
31.5 cm	10 Sept 2001	Whitewater Bridge	23766
28.8 cm	14 Sept 1989	Lound	79194
28 cm	7 Jun 2007	Whitewater Bridge	106068
27.3 cm	14 Sept 1989	Lound	79194
26.6 cm	7 Nov 1995	Whitewater Bridge	24849
26.5 cm	7 Jun 2007	Whitewater Bridge	106068
26.3 cm	14 Sept 1989	Lound	79194
26.3 cm	14 Sept 1989	Lound	79194
26 cm	7 Jul 2005	Houghton	85002
26 cm	14 Sept 1989	Lound	79194

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
Whitewater Bridge	7 Nov 1995	23 Jun 2023	10
Lound	14 Sept 1989	17 May 2016	2
Mill Lane	9 Jul 2015	9 Jul 2015	1
Houghton	25 Sept 2001	22 Jun 2006	6
Cavendish Bridge	7 Dec 1989	11 Dec 1991	2

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

1989–2023

Survey records by year

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

289

090

191

092

093

094

195

096

097

098

099

000

201

202

203

204

205

206

107

008

009

010

011

012

113

014

115

116

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 600 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 10.6 cm
Median: 13.2 cm
Upper quarter: 16.3 cm
Largest: 31.5 cm

0–99 mm

121

100–199 mm

402

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Maun

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

Chub 3-spined stickleback Dace Bullhead Gudgeon European eel

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 →