Roach · Rutilus rutilus

Roach in the River Cam

Largest measured roach: 35 cm

The largest roach measured in Environment Agency surveys of the River Cam was 35 cm, recorded at Pumping station downstream to Wicksters brook conf on 8 June 1989.

Across 1,589 measured roach, the median measured length was 14 cm.

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 observation7 June 2022Pumping station downstream to Wicksters brook conf · 120 fish

Largest measured roach: 35 cm
Median length: 14 cm
Fish measured: 1,589
Survey locations: 8

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
35 cm	8 Jun 1989	Pumping station downstream to Wicksters brook conf	24723
31.5 cm	8 Jun 1989	Pumping station downstream to Wicksters brook conf	24723
28.6 cm	13 May 2002	Pumping station downstream to Wicksters brook conf	50000
28.5 cm	19 May 2011	Pumping station downstream to Wicksters brook conf	126286
27.1 cm	15 Nov 1976	Wicksters Brooks d/s to Glos Sharpness Canal	24787
26.8 cm	13 May 2002	Pumping station downstream to Wicksters brook conf	50000
26.8 cm	13 May 2002	Wicksters Brooks d/s to Glos Sharpness Canal	50020
26.8 cm	16 Jan 1980	Waterend Farm, d/s sewage works	56252
26.8 cm	16 Jan 1980	Waterend Farm, d/s sewage works	56252
26.8 cm	16 Jan 1980	Waterend Farm, d/s sewage works	56252

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
Pumping station downstream to Wicksters brook conf	3 Aug 1983	7 Jun 2022	9
Cambridge, u/s weir	24 May 2012	24 May 2012	1
Cambridge d/s gauging weir	24 May 2012	24 May 2012	1
u/s Pumping Station	17 Jan 1980	14 May 2002	7
Wicksters Brooks d/s to Glos Sharpness Canal	15 Nov 1976	13 May 2002	6
Uley, Rockstowes	11 Sept 2001	11 Sept 2001	1
old Hopton Court School site	12 Sept 1989	16 Oct 1996	3
Waterend Farm, d/s sewage works	10 Nov 1976	16 Jan 1980	2

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

1976–2022

Survey records by year

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

276

077

078

079

280

081

082

183

084

185

086

087

088

589

290

091

492

093

094

095

496

097

098

099

000

101

302

003

004

005

006

007

008

009

010

111

212

013

014

015

116

017

018

019

020

021

122

Fish measured by surveyors

Measured length distribution

See how the 1,589 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 7.5 cm
Median: 14 cm
Upper quarter: 18 cm
Largest: 35 cm

0–99 mm

477

100–199 mm

862

200–299 mm

248

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cam

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

European eel Brown / sea trout 3-spined stickleback Bullhead Perch Gudgeon

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 →