RiverFish

Perch · Perca fluviatilis

Perch in the Trader/Maud Foster Drain

Largest measured perch: 39.5 cm

The largest perch measured in Environment Agency surveys of the Trader/Maud Foster Drain was 39.5 cm, recorded at Horncastle Road on 14 July 2011.

Across 6,541 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 Trader/Maud Foster Drain.

See perch records across England →

Most recent observation2 May 2019Horncastle Road · 41 fish
Largest measured perch
39.5 cm
Median length
8.1 cm
Fish measured
6,541
Survey locations
5

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
39.5 cm14 Jul 2011Horncastle Road128737
39.5 cm24 Jun 2009Trader Bank Sibsey117531
38.2 cm24 May 2005Horncastle Road84591
35.8 cm1 May 2019Upstream Boston Golf Club156009
35.8 cm5 Jun 2007Trader Bank Sibsey105460
34.6 cm4 Jun 2007Upstream Boston Golf Club105459
34 cm8 Jun 2004Trader Bank Sibsey80382
33.7 cm19 Jun 2007Windsor Bank Boston105683
33.3 cm2 May 2019Horncastle Road155972
33.1 cm25 May 2006Horncastle Road99806

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
Horncastle Road5 Jun 19872 May 201917
Upstream Boston Golf Club3 Jun 19871 May 201913
Trader Bank Sibsey10 Jun 198730 Apr 201918
Windsor Bank Boston17 May 199019 Jul 20119
Sibsey Fenside9 Jun 198723 May 20005

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 perch that year.

Fish measured by surveyors

Measured length distribution

See how the 6,541 measured fish were spread across different length ranges.

Smallest
0.5 cm
Lower quarter
7.1 cm
Median
8.1 cm
Upper quarter
10 cm
Largest
39.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Trader/Maud Foster Drain

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

Common bream Roach Pike Silver bream Ruffe Bleak

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 →