Perch · Perca fluviatilis

Perch in the River Medlock

Largest measured perch: 34 cm

The largest perch measured in Environment Agency surveys of the River Medlock was 34 cm, recorded at Mdme15 on 24 May 2013.

Across 28 measured perch, the median measured length was 17.2 cm.

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

See perch records across England →

Most recent observation24 May 2013Mdme15 · 7 fish

Largest measured perch: 34 cm
Median length: 17.2 cm
Fish measured: 28
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
34 cm	24 May 2013	Mdme15	137546
28 cm	24 May 2013	Mdme15	137546
26.8 cm	16 Jun 2003	Mdme05	76161
26.2 cm	19 Jun 2002	Mdme05	60624
25.8 cm	21 Aug 2001	Mdme05	55471
23.4 cm	24 Apr 2006	Mdme05	90737
22.7 cm	19 Jun 2002	Mdme05	60624
20.4 cm	25 May 2004	Mdme05	80155
20.4 cm	21 Aug 2001	Mdme05	55471
19.1 cm	24 Apr 2006	Mdme05	90737

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
Mdme15	19 Aug 1997	24 May 2013	2
Mdme05	21 Aug 2001	24 Apr 2006	6
Mdme20	17 Jun 2003	17 Jun 2003	1
Mdme10	17 Jun 2002	17 Jun 2002	1

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

1997–2013

Survey records by year

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

197

098

099

000

101

202

203

104

105

106

007

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest: 7 cm
Lower quarter: 14.3 cm
Median: 17.2 cm
Upper quarter: 21 cm
Largest: 34 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Medlock

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

Brown / sea trout Stone loach Minnow 3-spined stickleback Chub Roach

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 →