RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Hiz

Largest measured brown / sea trout: 51 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Hiz was 51 cm, recorded at Ickleford Common on 18 September 2019.

Across 228 measured brown / sea trout, the median measured length was 24.7 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 Hiz.

See brown / sea trout records across England →

Most recent observation3 July 2024Amenity Trees Arlesey · 35 fish
Largest measured brown / sea trout
51 cm
Median length
24.7 cm
Fish measured
228
Survey locations
2

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
51 cm18 Sept 2019Ickleford Common155518
49.8 cm2 Jul 2024Ickleford Common165397
49.6 cm2 Jul 2024Ickleford Common165397
46 cm18 Sept 2019Ickleford Common155518
45.9 cm18 Sept 2019Ickleford Common155518
45.6 cm18 Sept 2019Ickleford Common155518
45.3 cm18 Sept 2019Ickleford Common155518
45.3 cm6 Mar 2013Amenity Trees Arlesey135622
45 cm18 Sept 2019Ickleford Common155518
43.5 cm9 May 2016Ickleford Common147997

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
Amenity Trees Arlesey6 Mar 20133 Jul 20243
Ickleford Common24 May 20122 Jul 20244

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

2012–2024

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 228 measured fish were spread across different length ranges.

Smallest
8.7 cm
Lower quarter
19.8 cm
Median
24.7 cm
Upper quarter
30 cm
Largest
51 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hiz

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

3-spined stickleback Bullhead Pike Stone loach Minnow Gudgeon

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 →