Roach · Rutilus rutilus

Roach in the River Cam

Largest measured roach: 20.5 cm

The largest roach measured in Environment Agency surveys of the River Cam was 20.5 cm, recorded at Bridgehampton on 9 July 2019.

Across 17 measured roach, the median measured length was 15.2 cm.

Surveyors recorded weights for 3 roach. The median was 2 oz (0.058 kg) and the largest recorded weight was 3.2 oz (0.09 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 Cam.

See roach records across England →

Most recent observation9 July 2019Bridgehampton · 3 fish

Largest measured roach: 20.5 cm
Median length: 15.2 cm
Fish measured: 17
Survey locations: 2

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
20.5 cm	9 Jul 2019	Bridgehampton	154760
18.5 cm	16 Jul 2008	Bridgehampton	112002
18.4 cm	9 Jul 2019	Bridgehampton	154760
18.4 cm	16 Jul 2008	Bridgehampton	112002
17.6 cm	16 Jul 2008	Bridgehampton	112002
17.5 cm	29 Sept 1993	Frog Lane, West Camel	79903
16.5 cm	16 Jul 2008	Bridgehampton	112002
15.7 cm	16 Jul 2008	Bridgehampton	112002
15.2 cm	13 Jul 2007	Bridgehampton	105885
15.1 cm	29 Sept 1993	Frog Lane, West Camel	79903

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
Bridgehampton	13 Jul 2007	9 Jul 2019	4
Frog Lane, West Camel	29 Sept 1993	29 Sept 1993	1

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

1993–2019

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

003

004

005

006

107

108

009

010

011

012

113

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 17 measured fish were spread across different length ranges.

Smallest: 10.7 cm
Lower quarter: 14.7 cm
Median: 15.2 cm
Upper quarter: 17.6 cm
Largest: 20.5 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 1.6 oz (0.044 kg)
Lower quarter: 1.8 oz (0.051 kg)
Median: 2 oz (0.058 kg)
Upper quarter: 2.6 oz (0.074 kg)
Heaviest: 3.2 oz (0.09 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 Cam

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

European eel Chub Minnow 3-spined stickleback Stone loach 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 →