RiverFish

Perch · Perca fluviatilis

Perch in the River Blickling Habitat works

Largest measured perch: 17.3 cm

The largest perch measured in Environment Agency surveys of the River Blickling Habitat works was 17.3 cm, recorded at Impact site on 17 March 2010.

Across 21 measured perch, the median measured length was 11.2 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 Blickling Habitat works.

See perch records across England →

Most recent observation18 March 2010Control Site · 3 fish
Largest measured perch
17.3 cm
Median length
11.2 cm
Fish measured
21
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.

LengthSurvey dateSurvey locationSurvey ID
17.3 cm17 Mar 2010Impact site121454
15.1 cm17 Mar 2010Impact site121454
13.3 cm17 Mar 2010Impact site121454
13.1 cm17 Mar 2010Impact site121454
12.5 cm17 Mar 2010Impact site121454
12.3 cm18 Mar 2010Control Site121455
11.8 cm17 Mar 2010Impact site121454
11.8 cm17 Mar 2010Restored site121453
11.7 cm17 Mar 2010Impact site121454
11.5 cm18 Mar 2010Control Site121455

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
Control Site18 Mar 201018 Mar 20101
Restored site17 Mar 201017 Mar 20101
Impact site17 Mar 201017 Mar 20101

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

2010–2010

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 21 measured fish were spread across different length ranges.

Smallest
7.8 cm
Lower quarter
10.3 cm
Median
11.2 cm
Upper quarter
12.3 cm
Largest
17.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blickling Habitat works

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

Brown / sea trout Stone loach 3-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 →