Roach · Rutilus rutilus

Roach in the River West Fen Catchwater

Largest measured roach: 30 cm

The largest roach measured in Environment Agency surveys of the River West Fen Catchwater was 30 cm, recorded at Hall Lane Stickney on 20 April 1993.

Across 22,938 measured roach, the median measured length was 8.4 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 West Fen Catchwater.

See roach records across England →

Most recent observation26 April 2019West Houses · 641 fish

Largest measured roach: 30 cm
Median length: 8.4 cm
Fish measured: 22,938
Survey locations: 6

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
30 cm	20 Apr 1993	Hall Lane Stickney	58231
28.1 cm	6 May 1987	West Houses	58203
27.1 cm	21 Apr 1993	West Houses	58230
25.4 cm	31 May 1990	West Houses	58219
24.6 cm	21 Apr 1993	West Houses	58230
24 cm	20 May 1996	West Houses	58248
23.7 cm	27 Jun 1990	Revesby Bridge	58222
23.3 cm	21 Apr 1993	West Houses	58230
23 cm	31 May 1990	West Houses	58219
22.9 cm	21 Apr 1993	West Houses	58230

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
West Houses	6 May 1987	26 Apr 2019	18
Hagnaby Lock	5 May 1987	16 May 2012	10
Hall Lane Stickney	2 Dec 1987	12 May 2000	5
Revesby Bridge	7 May 1987	11 May 2000	5
Tumby Woodside	9 May 2000	9 May 2000	1
Mareham-Le-Fen	21 May 1987	9 May 2000	3

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

1987–2019

Survey records by year

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

587

088

089

490

091

092

593

094

095

496

097

098

099

600

001

202

203

204

105

206

107

108

109

110

011

212

113

014

015

116

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 22,938 measured fish were spread across different length ranges.

Smallest: 2.9 cm
Lower quarter: 6.8 cm
Median: 8.4 cm
Upper quarter: 11.2 cm
Largest: 30 cm

0–99 mm

14560

100–199 mm

8318

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River West Fen Catchwater

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

Pike Perch Ruffe Gudgeon Tench 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 →