RiverFish

Perch · Perca fluviatilis

Perch in the River Thet

Largest measured perch: 32.8 cm

The largest perch measured in Environment Agency surveys of the River Thet was 32.8 cm, recorded at Bridgham Bridge on 20 July 1988.

Across 359 measured perch, the median measured length was 12.4 cm.

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

See perch records across England →

Most recent observation22 October 2024Manor Farm Shropham · 54 fish
Largest measured perch
32.8 cm
Median length
12.4 cm
Fish measured
359
Survey locations
9

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
32.8 cm20 Jul 1988Bridgham Bridge30009
26.8 cm20 Jul 1988Bridgham Bridge30009
26.3 cm29 Nov 1995Thetford30026
26.3 cm15 Feb 1993Thetford30019
24.7 cm18 Sept 2024Snetterton Gravel Pits167124
24.3 cm18 Oct 2018Thetford153873
24.3 cm17 Nov 1995Snetterton Gravel Pits30020
23.5 cm22 Oct 2024Manor Farm Shropham167733
23 cm22 Oct 2024Manor Farm Shropham167733
22.2 cm22 Oct 2024Manor Farm Shropham167733

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
Manor Farm Shropham22 Oct 202422 Oct 20241
Bridgham Bridge20 Jul 198819 Sept 20246
Snetterton Gravel Pits19 Jul 198818 Sept 20247
Thetford15 Feb 199318 Oct 20185
East Harling31 Jul 200931 Jul 20091
Thorpe Woodlands7 Feb 19977 Feb 19971
Brettenham12 Feb 199323 Nov 19952
Larlingford19 Jul 198816 Nov 19953
Kilverstone Estate29 Jul 198811 Feb 19932

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

1988–2024

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 359 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
9.3 cm
Median
12.4 cm
Upper quarter
14.8 cm
Largest
32.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Thet

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

Roach Pike Gudgeon Dace European eel Bullhead

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 →