Roach · Rutilus rutilus

Roach in the River Can (Main Reaches)

Largest measured roach: 31.1 cm

The largest roach measured in Environment Agency surveys of the River Can (Main Reaches) was 31.1 cm, recorded at Central Park on 22 November 1995.

Across 4,239 measured roach, the median measured length was 12.4 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 Can (Main Reaches).

See roach records across England →

Most recent observation17 October 2025Admirals Park · 38 fish

Largest measured roach: 31.1 cm
Median length: 12.4 cm
Fish measured: 4,239
Survey locations: 3

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
31.1 cm	22 Nov 1995	Central Park	14511
31 cm	9 Jan 1987	Warren Bridge	14504
29.9 cm	1 Oct 2013	Central Park	139993
29.8 cm	1 Oct 2013	Central Park	139993
29.4 cm	1 Oct 2013	Central Park	139993
28.2 cm	1 Oct 2013	Central Park	139993
27.3 cm	1 Oct 2013	Central Park	139993
27.3 cm	1 Oct 2013	Central Park	139993
27.3 cm	1 Oct 2013	Central Park	139993
27.2 cm	1 Oct 2013	Central Park	139993

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
Admirals Park	23 Nov 1983	17 Oct 2025	10
Warren Bridge	24 Nov 1983	14 Oct 2013	9
Central Park	22 Nov 1983	1 Oct 2013	9

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

1983–2025

Survey records by year

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

383

084

085

086

387

088

389

090

091

092

393

094

395

096

097

398

099

000

201

102

003

004

005

006

207

008

009

010

011

012

313

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 4,239 measured fish were spread across different length ranges.

Smallest: 2.8 cm
Lower quarter: 10.2 cm
Median: 12.4 cm
Upper quarter: 14.9 cm
Largest: 31.1 cm

0–99 mm

943

100–199 mm

3121

200–299 mm

173

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Can (Main Reaches)

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

Dace Gudgeon Chub Pike Perch European eel

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 →