RiverFish

Perch · Perca fluviatilis

Perch in the River US Lark

Largest measured perch: 23.2 cm

The largest perch measured in Environment Agency surveys of the River US Lark was 23.2 cm, recorded at Abbey Gardens on 16 September 2015.

Across 388 measured perch, the median measured length was 10.8 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 US Lark.

See perch records across England →

Most recent observation18 July 2024West Stow Country Park · 3 fish
Largest measured perch
23.2 cm
Median length
10.8 cm
Fish measured
388
Survey locations
10

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
23.2 cm16 Sept 2015Abbey Gardens146452
22.3 cm5 Jun 1992Barton Mills30114
21.3 cm8 Jun 1992West Stow Country Park30110
21.3 cm8 Jun 1992West Stow Country Park30110
20.9 cm9 Jul 2014West Stow Country Park141638
20.8 cm8 Jun 1992West Stow Country Park30110
20.8 cm8 Jun 1992West Stow Country Park30110
20.8 cm8 Jun 1992West Stow Country Park30110
20.8 cm8 Jun 1992West Stow Country Park30110
20.3 cm8 Jun 1992West Stow Country Park30110

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
West Stow Country Park8 Jun 199218 Jul 20245
US West Stow Country Park3 May 20233 May 20231
Abbey Gardens20 May 199516 Sept 20153
Tuddenham Heath21 Jul 201521 Jul 20151
US Abbey Gardens2 Jun 20112 Jun 20111
Barton Mills5 Jun 19922 Aug 20072
Temple Weir3 Jun 199218 Jul 20072
Clough Staunch18 Feb 200018 Feb 20001
Chimney Mill17 Feb 200017 Feb 20001
Bridge Farm Rushbrooke27 Jan 200027 Jan 20001

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

1992–2024

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 388 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
10.3 cm
Median
10.8 cm
Upper quarter
11.8 cm
Largest
23.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Lark

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

Stone loach Gudgeon Chub Roach Minnow 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 →