RiverFish

Perch · Perca fluviatilis

Perch in the River Scout Dike

Largest measured perch: 32.3 cm

The largest perch measured in Environment Agency surveys of the River Scout Dike was 32.3 cm, recorded at Downstream B6462 on 21 September 2001.

Across 65 measured perch, the median measured length was 13.5 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 Scout Dike.

See perch records across England →

Most recent observation29 September 2023Nether Mill Fishery · 3 fish
Largest measured perch
32.3 cm
Median length
13.5 cm
Fish measured
65
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
32.3 cm21 Sept 2001Downstream B6462109192
21.5 cm6 Sept 2011Downstream B6462128624
21.1 cm6 Sept 2011Downstream B6462128624
20 cm7 Sept 2017Downstream B6462151571
20 cm7 Sept 2017Downstream B6462151571
19.9 cm7 Sept 2017Downstream B6462151571
19.4 cm6 Sept 2011Downstream B6462128624
19.1 cm6 Sept 2011Downstream B6462128624
17.7 cm7 Sept 2017Downstream B6462151571
17.7 cm6 Sept 2011Downstream B6462128624

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
Nether Mill Fishery6 Sept 201129 Sept 20232
Downstream B646221 Sept 20017 Sept 20177
Above Don Confluence31 Oct 199031 Oct 19901

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

1990–2023

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 65 measured fish were spread across different length ranges.

Smallest
3.1 cm
Lower quarter
10.6 cm
Median
13.5 cm
Upper quarter
15.5 cm
Largest
32.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Scout Dike

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

3-spined stickleback Brown / sea trout Bullhead Roach Stone loach Minnow

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 →