RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River US Cam

Largest measured brown / sea trout: 56.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the River US Cam was 56.7 cm, recorded at Littlebury on 12 March 2025.

Across 1,071 measured brown / sea trout, the median measured length was 23.2 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 brown / sea trout records across England →

Most recent observation3 June 2026Sawston Paper Mill · 20 fish
Largest measured brown / sea trout
56.7 cm
Median length
23.2 cm
Fish measured
1,071
Survey locations
11

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
56.7 cm12 Mar 2025Littlebury175950
56 cm12 Mar 2025Littlebury175950
54.3 cm30 Sept 1993Littlebury29463
50.3 cm3 Jun 2026Sawston Paper Mill181634
49.8 cm16 Dec 1996Sawston Paper Mill29475
47.2 cm24 Sept 2015Audley End146678
46.8 cm9 Dec 1996Hinxton29473
45.8 cm2 Jun 2026Pampisford Mill181633
44.3 cm12 Mar 2025Littlebury175950
44.3 cm2 May 1991Sawston Paper Mill29459

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 brown / sea trout
Sawston Paper Mill2 May 19913 Jun 20269
Pampisford Mill1 May 19912 Jun 20268
Littlebury26 Apr 199112 Mar 20257
Audley End24 Sept 201524 Sept 20151
P.B.I (Trumpington Meadows)1 Jul 201026 Jul 20133
Hinxton30 Apr 19913 Jul 20136
Byron's Pool Bypass Channel9 May 20114 Jul 20123
DS Hauxton Mill Bridge11 Nov 201011 Nov 20101
Hauxton Mill Bridge17 Sept 200816 Mar 20102
Dernford Weir19 Oct 200219 Oct 20021
Rectory Farm3 May 199117 Dec 19962

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

1991–2026

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 1,071 measured fish were spread across different length ranges.

Smallest
5.7 cm
Lower quarter
17.8 cm
Median
23.2 cm
Upper quarter
30.4 cm
Largest
56.7 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.

Roach Chub Perch Gudgeon Dace Bullhead

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 →