Roach · Rutilus rutilus

Roach in the Elstow Brook

Largest measured roach: 31.3 cm

The largest roach measured in Environment Agency surveys of the Elstow Brook was 31.3 cm, recorded at Willington on 27 July 1992.

Across 371 measured roach, the median measured length was 11.8 cm.

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

See roach records across England →

Most recent observation29 August 2024Willington · 2 fish

Largest measured roach: 31.3 cm
Median length: 11.8 cm
Fish measured: 371
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
31.3 cm	27 Jul 1992	Willington	29102
31.3 cm	18 Jul 1989	Cardington	29098
25.3 cm	21 Jul 1989	Willington	29099
25.3 cm	18 Jul 1989	Cardington	29098
24.8 cm	21 Jul 1989	Willington	29099
22.8 cm	3 Sept 2014	Elstow Moor	142513
21.8 cm	2 Jul 1992	Cardington	29101
21.3 cm	2 Jul 1992	Cardington	29101
21.3 cm	18 Jul 1989	Cardington	29098
20.8 cm	21 Jul 1989	Willington	29099

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
Willington	21 Jul 1989	29 Aug 2024	9
Elstow Moor	3 Sept 2014	14 Aug 2024	3
Hardwick Bridge	24 Mar 2011	24 Mar 2011	1
Manor Farm Harrowden	7 Aug 2002	7 Aug 2002	1
Cardington	18 Jul 1989	3 Jul 1998	3
Harrowden	17 Jul 1989	1 Jul 1998	3

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

1989–2024

Survey records by year

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

389

090

091

392

093

094

095

096

097

398

099

000

001

102

103

004

005

106

007

008

009

010

111

012

113

114

115

016

017

018

019

020

221

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 371 measured fish were spread across different length ranges.

Smallest: 4.4 cm
Lower quarter: 9.5 cm
Median: 11.8 cm
Upper quarter: 14.3 cm
Largest: 31.3 cm

0–99 mm

106

100–199 mm

251

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Elstow Brook

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

Stone loach Gudgeon Chub Minnow Bullhead Spined loach

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 →