Roach · Rutilus rutilus

Roach in the Sincil Dyke

Largest measured roach: 48.1 cm

The largest roach measured in Environment Agency surveys of the Sincil Dyke was 48.1 cm, recorded at Five Mile House on 24 April 1985.

Across 17,875 measured roach, the median measured length was 9.8 cm.

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

See roach records across England →

Most recent observation5 May 2017Downstream Branston Delph outfall · 293 fish

Largest measured roach: 48.1 cm
Median length: 9.8 cm
Fish measured: 17,875
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
48.1 cm	24 Apr 1985	Five Mile House	53040
48 cm	19 May 1988	Bardney Locks	53142
45 cm	21 Jul 1998	Boundary Farm	53412
45 cm	19 May 1988	Bardney Locks	53142
28.6 cm	23 Jul 1998	Lincoln Football Ground	53409
27.3 cm	24 Apr 1985	Five Mile House	53040
27 cm	27 Sept 2007	Washingborough	107049
26.8 cm	27 Sept 2007	Washingborough	107049
26.7 cm	23 Jul 1998	Lincoln Football Ground	53409
26.7 cm	20 May 1988	Boundary Farm	53141

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
Downstream Branston Delph outfall	5 May 2017	5 May 2017	1
Washingborough	31 Oct 1985	27 Sept 2007	7
Bardney Locks	22 Apr 1985	27 Sept 2007	7
Five Mile House	24 Apr 1985	16 Aug 2005	7
Lincoln Football Ground	19 Aug 1985	23 Jul 1998	4
Boundary Farm	23 Apr 1985	21 Jul 1998	4

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

1985–2017

Survey records by year

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

585

086

087

588

089

090

091

092

093

594

095

096

097

598

099

300

001

002

003

304

105

006

207

008

009

010

011

012

013

014

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 17,875 measured fish were spread across different length ranges.

Smallest: 1.8 cm
Lower quarter: 7.5 cm
Median: 9.8 cm
Upper quarter: 12.8 cm
Largest: 48.1 cm

0–99 mm

9097

100–199 mm

8498

200–299 mm

276

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sincil Dyke

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

Perch Common bream Pike Dace Gudgeon Silver bream

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 →