Roach · Rutilus rutilus

Roach in the River Chess

Largest measured roach: 20.6 cm

The largest roach measured in Environment Agency surveys of the River Chess was 20.6 cm, recorded at Solesbridge nursery on 2 September 2009.

Across 109 measured roach, the median measured length was 14.6 cm.

Surveyors recorded one individual weight: 0.3 oz (0.008 kg).

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

See roach records across England →

Most recent observation23 September 2025Solesbridge nursery · 4 fish

Largest measured roach: 20.6 cm
Median length: 14.6 cm
Fish measured: 109
Survey locations: 4

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
20.6 cm	2 Sept 2009	Solesbridge nursery	118862
20.5 cm	12 Sept 2008	Solesbridge nursery	114490
20.5 cm	14 Jul 2004	Solesbridge nursery	80511
19.4 cm	14 Jul 2004	Solesbridge nursery	80511
19.4 cm	14 Jul 2004	Solesbridge nursery	80511
19.1 cm	14 Jul 2004	Solesbridge nursery	80511
18.8 cm	12 Sept 2013	Solesbridge nursery	138635
18.7 cm	24 Sept 2015	Solesbridge nursery	146693
18.7 cm	14 Jul 2004	Solesbridge nursery	80511
18 cm	20 Sept 2017	Solesbridge nursery	151700

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
Solesbridge nursery	14 Jul 2004	23 Sept 2025	16
Scotsbridge Mill	10 May 2023	10 May 2023	1
Solesbridge mill	19 Jun 2006	19 Jun 2006	1
Loudwater Lane (Masonic Lodge)	24 Nov 1987	24 Nov 1987	1

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

1987–2025

Survey records by year

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

187

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

104

005

106

207

108

109

110

111

112

113

014

115

016

117

118

119

020

021

122

123

124

125

Fish measured by surveyors

Measured length distribution

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

Smallest: 6.1 cm
Lower quarter: 12.2 cm
Median: 14.6 cm
Upper quarter: 16.4 cm
Largest: 20.6 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight: 0.3 oz (0.008 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Chess

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

Brown / sea trout Bullhead Stone loach Minnow 3-spined stickleback Grayling

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 →