RiverFish

Perch · Perca fluviatilis

Perch in the River Thurne

Largest measured perch: 27.4 cm

The largest perch measured in Environment Agency surveys of the River Thurne was 27.4 cm, recorded at Potter Heigham inner basin on 27 February 2019.

Across 22 measured perch, the median measured length was 16.6 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 Thurne.

See perch records across England →

Most recent observation27 February 2019Potter Heigham inner basin · 11 fish
Largest measured perch
27.4 cm
Median length
16.6 cm
Fish measured
22
Survey locations
1

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
27.4 cm27 Feb 2019Potter Heigham inner basin154461
27.3 cm26 Feb 2013Potter Heigham inner basin135590
26.9 cm27 Jan 2014Potter Heigham inner basin140528
26.4 cm18 Jan 2012Potter Heigham inner basin130046
24.8 cm27 Feb 2019Potter Heigham inner basin154461
24 cm18 Jan 2012Potter Heigham inner basin130046
21.6 cm24 Feb 2017Potter Heigham inner basin150306
20.2 cm6 Feb 2015Potter Heigham inner basin144348
18.3 cm27 Jan 2014Potter Heigham inner basin140528
18.2 cm19 Mar 2009Potter Heigham inner basin117380

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
Potter Heigham inner basin27 Jan 200527 Feb 20198

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

2005–2019

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 22 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
11.1 cm
Median
16.6 cm
Upper quarter
23.4 cm
Largest
27.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Thurne

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

Common bream Roach Pike Rudd

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 →