RiverFish

Roach · Rutilus rutilus

Roach in the River Waveney (central)

Largest measured roach: 33.4 cm

The largest roach measured in Environment Agency surveys of the River Waveney (central) was 33.4 cm, recorded at Wainford Maltings No1 on 26 July 1989.

Across 11,621 measured roach, the median measured length was 9.8 cm.

Surveyors recorded weights for 107 roach. The median was 0.3 oz (0.009 kg) and the largest recorded weight was 7 oz (0.198 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 Waveney (central).

See roach records across England →

Most recent observation25 September 2023Wainford Maltings · 41 fish
Largest measured roach
33.4 cm
Median length
9.8 cm
Fish measured
11,621
Survey locations
20

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
33.4 cm26 Jul 1989Wainford Maltings No117037
33.4 cm20 Jul 1989Watts Plantation17034
32 cm22 Apr 1993Billingford Bridge17041
31.4 cm20 Jun 2005Wainford Maltings84849
31.2 cm18 Jun 1993Bungay Common17055
30.9 cm26 Jul 1989Wainford Maltings No117037
30.8 cm26 Jul 1989Wainford Maltings No117037
30.6 cm7 May 1993Downstream Brockdish Mill17044
30.5 cm28 Jul 1989Broome Waterworks17039
30 cm7 May 1993Downstream Brockdish Mill17044

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 surveyedFirst recordedLast recordedVisits finding roach
Wainford Maltings15 Jul 200425 Sept 202311
Homersfield Bridge15 Aug 198915 Sept 202315
Watts Plantation20 Jul 198914 Sept 202316
Upstream Lucks Mill18 Jul 198911 Sept 202315
Billingford Bridge10 Jul 19896 Jul 201713
Bungay Common25 Jul 198922 Aug 20146
Broome Waterworks28 Jul 198921 Aug 20145
Earsham Buck19 Jul 198919 Aug 20146
Downstream Brockdish Mill17 Jul 198918 Aug 20117
Shotford Bridge1 Aug 198911 Aug 20116
Upstream Wortwell Mill8 Aug 198928 Aug 20084
Monks Hall17 Jul 198927 Aug 20085
Needham Mill31 Jul 19896 Aug 20086
Bungay Common (Top)24 Jul 198917 Jul 20064
Downstream Wortwell Mill18 May 199312 Jul 20063
Mendham Marshes13 May 199311 Jul 20062
Hoxne Mill17 Jul 19895 Jul 20065
Wainford Maltings No126 Jul 198928 Jun 20064
Wainford Maltings No227 Jul 198911 Jul 19963
Dairy Farm7 Aug 19897 Aug 19891

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.

Fish measured by surveyors

Measured length distribution

See how the 11,621 measured fish were spread across different length ranges.

Smallest
1.2 cm
Lower quarter
6.4 cm
Median
9.8 cm
Upper quarter
14 cm
Largest
33.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 107 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.2 oz (0.006 kg)
Median
0.3 oz (0.009 kg)
Upper quarter
0.5 oz (0.015 kg)
Heaviest
7 oz (0.198 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 Waveney (central)

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

Pike Perch European eel Stone loach Chub Dace

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 →