Roach · Rutilus rutilus

Roach in the West Fen Drain

Largest measured roach: 31 cm

The largest roach measured in Environment Agency surveys of the West Fen Drain was 31 cm, recorded at Westville Farm on 30 April 1996.

Across 23,425 measured roach, the median measured length was 10.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the West Fen Drain.

See roach records across England →

Most recent observation17 September 2019Westville Farm · 481 fish

Largest measured roach: 31 cm
Median length: 10.4 cm
Fish measured: 23,425
Survey locations: 7

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 cm	30 Apr 1996	Westville Farm	58290
27.6 cm	30 Apr 1996	Westville Farm	58290
27.6 cm	25 May 1993	Westville Farm	58279
25.2 cm	18 Aug 2011	Bunkers Hill	129529
25.2 cm	2 Aug 2001	Richardson's Bridge	59055
25.2 cm	1 Oct 1990	Downstream Newham Junction (Dovecote Farm on West Fen)	58263
25.1 cm	18 Aug 2011	Bunkers Hill	129529
25 cm	7 May 2008	Hough Bridge	111119
25 cm	23 May 2005	Downstream Frithville Bank House Farm	84590
24.9 cm	23 May 2005	Downstream Frithville Bank House Farm	84590

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
Westville Farm	16 Nov 1990	17 Sept 2019	10
Hough Bridge	1 Oct 1990	8 Nov 2016	8
Richardson's Bridge	10 Jun 1993	27 Jun 2016	5
Downstream Frithville Bank House Farm	25 Oct 1990	24 Jun 2016	8
Bunkers Hill	13 Jun 1990	22 Jun 2016	8
Downstream Newham Junction (Dovecote Farm on West Fen)	1 Oct 1990	11 May 2005	4
Bettinsons Bridge	5 Nov 1990	22 Jun 2001	4

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

1990–2019

Survey records by year

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

690

091

092

693

094

095

796

097

098

099

000

601

002

003

004

305

306

007

108

009

010

311

012

413

014

015

716

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 23,425 measured fish were spread across different length ranges.

Smallest: 1.6 cm
Lower quarter: 7 cm
Median: 10.4 cm
Upper quarter: 13.4 cm
Largest: 31 cm

0–99 mm

10674

100–199 mm

12350

200–299 mm

400

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the West Fen Drain

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

Pike Perch Common bream Tench Silver bream Ruffe

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 →