Perch · Perca fluviatilis

Perch in the Medlam Drain

Largest measured perch: 37.5 cm

The largest perch measured in Environment Agency surveys of the Medlam Drain was 37.5 cm, recorded at Frithville on 17 July 2001.

Across 1,389 measured perch, the median measured length was 7.4 cm.

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

See perch records across England →

Most recent observation14 November 2016Medlam Bridge · 3 fish

Largest measured perch: 37.5 cm
Median length: 7.4 cm
Fish measured: 1,389
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.

Length	Survey date	Survey location	Survey ID
37.5 cm	17 Jul 2001	Frithville	59050
37.2 cm	16 May 2006	Frithville	90863
36.8 cm	5 Jul 2001	Skirbeck Farm	59048
35 cm	22 May 2006	Hakerley Bridge	90852
33.4 cm	16 May 2006	Frithville	90863
32.7 cm	5 Jul 2001	Skirbeck Farm	59048
32.3 cm	16 May 2006	Frithville	90863
30.4 cm	16 May 2006	Frithville	90863
28.7 cm	27 Jun 2013	Skirbeck Farm	137037
26.1 cm	5 Jul 2001	Skirbeck Farm	59048

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 surveyed	First recorded	Last recorded	Visits finding perch
Medlam Bridge	30 Oct 1990	14 Nov 2016	8
Skirbeck Farm	14 Nov 1990	4 Jul 2016	7
Hakerley Bridge	24 Oct 1990	11 Aug 2011	6
Frithville	18 May 1993	9 Aug 2011	6

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

1990–2016

Survey records by year

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

390

091

092

493

094

095

396

097

098

099

000

401

002

003

004

005

406

007

108

009

010

311

012

213

014

015

316

Fish measured by surveyors

Measured length distribution

See how the 1,389 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 6.3 cm
Median: 7.4 cm
Upper quarter: 8.7 cm
Largest: 37.5 cm

0–99 mm

1132

100–199 mm

241

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medlam Drain

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

Pike Roach Common bream Tench Ruffe 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 →