RiverFish

Perch · Perca fluviatilis

Perch in the Middle Level Main Drain

Largest measured perch: 27.3 cm

The largest perch measured in Environment Agency surveys of the Middle Level Main Drain was 27.3 cm, recorded at Parsonage Farm on 20 September 1994.

Across 750 measured perch, the median measured length was 8.7 cm.

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

See perch records across England →

Most recent observation1 August 2023Wiggenhall St Marys · 79 fish
Largest measured perch
27.3 cm
Median length
8.7 cm
Fish measured
750
Survey locations
8

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
27.3 cm20 Sept 1994Parsonage Farm29608
24.8 cm19 Sept 1994Neeps Bridge29607
24.3 cm20 Sept 1994Parsonage Farm29608
23.3 cm30 Sept 1999Peter's Drove Bridge29616
22.3 cm1 Oct 1999Parsonage Farm29615
21.2 cm10 Jul 2017Neeps Bridge150817
20.3 cm19 Sept 1994Neeps Bridge29607
19.8 cm1 Oct 1999Parsonage Farm29615
19.8 cm5 Sept 1991Three Holes29595
19.3 cm30 Sept 1999Peter's Drove Bridge29616

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
Wiggenhall St Marys1 Aug 20231 Aug 20231
Neeps Bridge9 Sept 199126 Jul 20238
Mullicourt Aqueduct23 Sept 198720 Jul 20235
Three Holes16 Sept 198711 Jul 20065
Parsonage Farm30 Sept 19871 Oct 19994
Peter's Drove Bridge16 Sept 199130 Sept 19992
Mortons Bridge28 Sept 198716 Sept 19943
Iron Bridge6 Sept 199114 Sept 19942

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

1987–2023

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 750 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
7.8 cm
Median
8.7 cm
Upper quarter
9.5 cm
Largest
27.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Middle Level Main Drain

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

Common bream Roach Ruffe Silver bream Zander European eel

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 →