Roach · Rutilus rutilus

Roach in the Ant (upper) and NWD Canal

Largest measured roach: 32.3 cm

The largest roach measured in Environment Agency surveys of the Ant (upper) and NWD Canal was 32.3 cm, recorded at Upstream Ebridge Mill on 10 November 2016.

Across 391 measured roach, the median measured length was 10.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Ant (upper) and NWD Canal.

See roach records across England →

Most recent observation10 November 2016Upstream Ebridge Mill · 5 fish

Largest measured roach: 32.3 cm
Median length: 10.5 cm
Fish measured: 391
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
32.3 cm	10 Nov 2016	Upstream Ebridge Mill	150066
27.3 cm	10 Nov 2016	Upstream Ebridge Mill	150066
26.7 cm	19 Jan 1993	Downstream Honing Bridge	16714
26.2 cm	10 Nov 2016	Upstream Ebridge Mill	150066
25.3 cm	19 Jan 1993	Downstream Honing Bridge	16714
23.6 cm	10 Nov 2016	Upstream Ebridge Mill	150066
22.5 cm	19 Jan 1993	Downstream Honing Bridge	16714
22.3 cm	19 Oct 2005	New Bridge	108090
20.4 cm	22 May 1996	Meeting House Hill	16718
20.3 cm	25 Apr 1996	Downstream Honing Bridge	16719

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
Upstream Ebridge Mill	10 Nov 2016	10 Nov 2016	1
WFD Mown Fen Tributary	26 Nov 2008	15 Dec 2014	3
New Bridge	19 Oct 2005	19 Oct 2005	1
Meeting House Hill	21 Jan 1993	22 May 1996	2
Downstream Honing Bridge	19 Jan 1993	25 Apr 1996	2
Downstream Briggate Mill	15 Jan 1993	15 Jan 1993	1

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

1993–2016

Survey records by year

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

393

094

095

296

097

098

099

000

001

002

003

004

105

006

007

108

009

010

111

012

013

114

015

116

Fish measured by surveyors

Measured length distribution

See how the 391 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 9.2 cm
Median: 10.5 cm
Upper quarter: 12.4 cm
Largest: 32.3 cm

0–99 mm

143

100–199 mm

237

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ant (upper) and NWD Canal

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

Pike European eel Stone loach 3-spined stickleback Perch 10-spined stickleback

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 →