RiverFish

Perch · Perca fluviatilis

Perch in the Ant (upper) and NWD Canal

Largest measured perch: 19.2 cm

The largest perch measured in Environment Agency surveys of the Ant (upper) and NWD Canal was 19.2 cm, recorded at WFD Mown Fen Tributary on 26 November 2008.

Across 77 measured perch, the median measured length was 8.1 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 perch records across England →

Most recent observation15 December 2014WFD Mown Fen Tributary · 7 fish
Largest measured perch
19.2 cm
Median length
8.1 cm
Fish measured
77
Survey locations
4

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
19.2 cm26 Nov 2008WFD Mown Fen Tributary116290
15.4 cm15 Dec 2014WFD Mown Fen Tributary144305
15.3 cm19 Oct 2005New Bridge108090
14.3 cm26 Nov 2008WFD Mown Fen Tributary116290
13.3 cm15 Dec 2014WFD Mown Fen Tributary144305
13.3 cm18 Nov 2011WFD Mown Fen Tributary129715
12.7 cm15 Dec 2014WFD Mown Fen Tributary144305
12.2 cm15 Dec 2014WFD Mown Fen Tributary144305
12.2 cm18 Nov 2011WFD Mown Fen Tributary129715
11.6 cm26 Nov 2008WFD Mown Fen Tributary116290

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 surveyedFirst recordedLast recordedVisits finding perch
WFD Mown Fen Tributary26 Nov 200815 Dec 20143
New Bridge19 Oct 200519 Oct 20051
Spa Common30 Apr 199630 Apr 19961
East Ruston Common4 Feb 19934 Feb 19931

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

1993–2014

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 77 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
7.3 cm
Median
8.1 cm
Upper quarter
9.8 cm
Largest
19.2 cm

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 Roach Stone loach 3-spined stickleback 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 →