Perch · Perca fluviatilis

Perch in the River US Cam

Largest measured perch: 32.1 cm

The largest perch measured in Environment Agency surveys of the River US Cam was 32.1 cm, recorded at Littlebury on 25 April 2019.

Across 271 measured perch, the median measured length was 14.3 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 US Cam.

See perch records across England →

Most recent observation19 March 2025P.B.I (Trumpington Meadows) · 3 fish
Largest measured perch
32.1 cm
Median length
14.3 cm
Fish measured
271
Survey locations
12

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
32.1 cm25 Apr 2019Littlebury154481
32.1 cm25 Apr 2019Littlebury154481
31.8 cm9 Dec 1996Hinxton29473
31.3 cm9 Dec 1996Hinxton29473
31.3 cm9 Dec 1996Hinxton29473
30.8 cm12 Dec 1996Gt Chesterford29472
30.8 cm29 Apr 1991Gt Chesterford29456
30.8 cm29 Apr 1991Gt Chesterford29456
30.3 cm12 Dec 1996Gt Chesterford29472
29.3 cm18 Feb 1998Hinxton29478

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
P.B.I (Trumpington Meadows)7 May 199119 Mar 202510
Littlebury26 Apr 199125 Apr 20195
Audley End24 Sept 201524 Sept 20151
Hinxton24 Sept 19933 Jul 20135
Byron's Pool Bypass Channel4 Apr 20119 May 20112
Hauxton Junction11 Nov 201011 Nov 20101
Hauxton Mill Bridge17 Sept 200817 Sept 20081
Dernford Weir19 Oct 200219 Oct 20021
Shelford Mill18 Oct 200218 Oct 20021
Gt Chesterford29 Apr 199112 Dec 19963
Pampisford Mill29 Sept 199329 Sept 19931
Rectory Farm21 Sept 199321 Sept 19931

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

1991–2025

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 271 measured fish were spread across different length ranges.

Smallest
6.5 cm
Lower quarter
11.8 cm
Median
14.3 cm
Upper quarter
20.6 cm
Largest
32.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Cam

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

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 →