RiverFish

Perch · Perca fluviatilis

Perch in the River Wensum (Restoration strategy)

Largest measured perch: 27.8 cm

The largest perch measured in Environment Agency surveys of the River Wensum (Restoration strategy) was 27.8 cm, recorded at Sayers Meadow on 30 July 1997.

Across 157 measured perch, the median measured length was 13.3 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 Wensum (Restoration strategy).

See perch records across England →

Most recent observation30 August 2024Upstream Attlebridge · 26 fish
Largest measured perch
27.8 cm
Median length
13.3 cm
Fish measured
157
Survey locations
6

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
27.8 cm30 Jul 1997Sayers Meadow17345
26.3 cm30 Aug 2024Upstream Attlebridge167128
25.3 cm30 Aug 2024Upstream Attlebridge167128
25.2 cm30 Aug 2024Upstream Attlebridge167128
24.7 cm30 Aug 2024Upstream Attlebridge167128
24.6 cm30 Jul 1997Sayers Meadow17345
24.5 cm30 Aug 2024Upstream Attlebridge167128
24.4 cm30 Jul 1997Sayers Meadow17345
24.3 cm30 Aug 2024Upstream Attlebridge167128
24.3 cm30 Jul 1997Sayers Meadow17345

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
Upstream Attlebridge30 Aug 202430 Aug 20241
Swanton Morley (Restoration Reach 14)13 Jun 201228 Aug 20244
Downstream Porters Lane, Lenwade14 Aug 202414 Aug 20241
Upstream County School (reach 19)21 Sept 20095 Jul 20194
Gt Ryburgh End - Downstream confluence to iron bridge23 Sept 201123 Sept 20111
Sayers Meadow30 Jul 199730 Jul 19971

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

1997–2024

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 157 measured fish were spread across different length ranges.

Smallest
5.9 cm
Lower quarter
8.1 cm
Median
13.3 cm
Upper quarter
19.4 cm
Largest
27.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (Restoration strategy)

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

Minnow Bullhead Dace Stone loach Gudgeon 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 →