RiverFish

Roach · Rutilus rutilus

Roach in the River Shuttle

Largest measured roach: 26.5 cm

The largest roach measured in Environment Agency surveys of the River Shuttle was 26.5 cm, recorded at Bexley Park, River Shuttle on 26 May 2021.

Across 535 measured roach, the median measured length was 13.8 cm.

Surveyors recorded weights for 42 roach. The median was 2.5 oz (0.07 kg) and the largest recorded weight was 7.3 oz (0.207 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 Shuttle.

See roach records across England →

Most recent observation13 May 2026Bexley Park, River Shuttle · 41 fish
Largest measured roach
26.5 cm
Median length
13.8 cm
Fish measured
535
Survey locations
1

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
26.5 cm26 May 2021Bexley Park, River Shuttle160149
26.5 cm11 Jul 2003Bexley Park, River Shuttle77017
24.6 cm26 May 2021Bexley Park, River Shuttle160149
24 cm26 May 2021Bexley Park, River Shuttle160149
23.7 cm26 May 2021Bexley Park, River Shuttle160149
23.6 cm26 May 2021Bexley Park, River Shuttle160149
23.4 cm11 Jul 2003Bexley Park, River Shuttle77017
23.1 cm26 Apr 2022Bexley Park, River Shuttle160929
23 cm1 Jun 2017Bexley Park, River Shuttle150497
23 cm11 Jul 2003Bexley Park, River Shuttle77017

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
Bexley Park, River Shuttle11 Jul 200313 May 202611

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

2003–2026

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 535 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
8.2 cm
Median
13.8 cm
Upper quarter
17.1 cm
Largest
26.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 42 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
1.1 oz (0.032 kg)
Lower quarter
2.1 oz (0.0582 kg)
Median
2.5 oz (0.07 kg)
Upper quarter
2.9 oz (0.082 kg)
Heaviest
7.3 oz (0.207 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 Shuttle

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

European eel Chub Minnow Perch 3-spined stickleback Bullhead

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 →