Perch · Perca fluviatilis

Perch in the Mor Brook

Largest measured perch: 19.9 cm

The largest perch measured in Environment Agency surveys of the Mor Brook was 19.9 cm, recorded at Thatchers Wood on 2 June 2003.

Across 18 measured perch, the median measured length was 16 cm.

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

See perch records across England →

Most recent observation2 June 2003Cross Houses · 3 fish

Largest measured perch: 19.9 cm
Median length: 16 cm
Fish measured: 18
Survey locations: 3

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
19.9 cm	2 Jun 2003	Thatchers Wood	76249
19.6 cm	2 Jun 2003	Astbury	76240
19.2 cm	2 Jun 2003	Thatchers Wood	76249
17.9 cm	2 Jun 2003	Cross Houses	76250
17.4 cm	2 Jun 2003	Cross Houses	76250
17.3 cm	2 Jun 2003	Thatchers Wood	76249
16.4 cm	2 Jun 2003	Thatchers Wood	76249
16.1 cm	2 Jun 2003	Thatchers Wood	76249
16.1 cm	2 Jun 2003	Astbury	76240
15.9 cm	2 Jun 2003	Thatchers Wood	76249

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
Thatchers Wood	2 Jun 2003	2 Jun 2003	1
Cross Houses	2 Jun 2003	2 Jun 2003	1
Astbury	2 Jun 2003	2 Jun 2003	1

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

2003–2003

Survey records by year

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

303

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 13.2 cm
Lower quarter: 14.7 cm
Median: 16 cm
Upper quarter: 17.4 cm
Largest: 19.9 cm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Mor Brook

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

Brown / sea trout

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 →