Roach · Rutilus rutilus

Roach in the Main River Tone

Largest measured roach: 31.8 cm

The largest roach measured in Environment Agency surveys of the Main River Tone was 31.8 cm, recorded at Bathpool on 29 August 2013.

Across 6,455 measured roach, the median measured length was 10 cm.

Surveyors recorded weights for 470 roach. The median was 1.9 oz (0.055 kg) and the largest recorded weight was 16 oz (0.453 kg).

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

See roach records across England →

Most recent observation30 September 2025Roughmoor (Te) · 5 fish

Largest measured roach: 31.8 cm
Median length: 10 cm
Fish measured: 6,455
Survey locations: 6

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
31.8 cm	29 Aug 2013	Bathpool	138280
28.8 cm	5 Sept 2019	Bathpool	155278
28.8 cm	5 Sept 2019	Bathpool	155278
28.8 cm	11 Sept 2003	Priorswood (Te)	77014
28.5 cm	29 Aug 2013	Bathpool	138280
28.5 cm	1 Sept 2009	Bathpool	118807
28.5 cm	11 Sept 2003	Priorswood (Te)	77014
28.3 cm	19 Sept 2024	Bathpool	167170
28.1 cm	7 Sept 2017	Bathpool	151505
27.5 cm	12 May 2009	Newbridge	117289

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
Roughmoor (Te)	9 Oct 2003	30 Sept 2025	11
Bathpool	12 Sept 2006	19 Sept 2024	10
Newbridge	26 Apr 2007	25 Apr 2019	5
Priorswood (Te)	11 Sept 2003	7 Oct 2009	6
Parsonage Farm (Te)	22 Sept 2003	4 Aug 2006	3
Hornshay Farm at Nynehead (Se-03)	9 Sept 1994	9 Sept 1994	1

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

1994–2025

Survey records by year

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

194

095

096

097

098

099

000

001

002

303

104

305

406

307

008

409

310

111

012

213

114

115

016

117

018

319

020

021

122

123

224

125

Fish measured by surveyors

Measured length distribution

See how the 6,455 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 7.6 cm
Median: 10 cm
Upper quarter: 13 cm
Largest: 31.8 cm

0–99 mm

3208

100–199 mm

3099

200–299 mm

147

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 470 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.003 kg)
Lower quarter: 1.2 oz (0.033 kg)
Median: 1.9 oz (0.055 kg)
Upper quarter: 3.2 oz (0.0898 kg)
Heaviest: 16 oz (0.453 kg)

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

More fish in this river

Explore the Main River Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow Atlantic salmon

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 →