RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Harpers Brook

Largest measured brown / sea trout: 69 cm

The largest brown / sea trout measured in Environment Agency surveys of the Harpers Brook was 69 cm, recorded at Lowick on 18 February 1992.

Across 50 measured brown / sea trout, the median measured length was 16.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Harpers Brook.

See brown / sea trout records across England →

Most recent observation24 October 2018Brigstock Cricket Pitch · 4 fish
Largest measured brown / sea trout
69 cm
Median length
16.5 cm
Fish measured
50
Survey locations
6

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
69 cm18 Feb 1992Lowick54429
54 cm3 Jul 2000Downstream Islip Gauging Weir73071
44 cm4 Apr 2006Downstream Islip Gauging Weir101191
43 cm13 Mar 1995Sudborough54433
39.7 cm10 Apr 2015Stanion145351
36 cm10 Apr 2015Stanion145351
32 cm13 Mar 1995Sudborough54433
28.8 cm9 Apr 2015Sudborough145354
27.5 cm10 Apr 2015Downstream Brigstock STW145353
26.1 cm23 Oct 2018Downstream Islip Gauging Weir154030

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
Brigstock Cricket Pitch24 Oct 201824 Oct 20181
Downstream Islip Gauging Weir3 Jul 200023 Oct 20183
Stanion10 Apr 201510 Apr 20151
Downstream Brigstock STW10 Apr 201510 Apr 20151
Sudborough13 Mar 19959 Apr 20152
Lowick18 Feb 199218 Feb 19921

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

1992–2018

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 50 measured fish were spread across different length ranges.

Smallest
10.5 cm
Lower quarter
14.7 cm
Median
16.5 cm
Upper quarter
24.9 cm
Largest
69 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Harpers Brook

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

Minnow Bullhead Chub Dace Stone loach Roach

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 →