RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Whately Stream

Largest measured brown / sea trout: 25.9 cm

The largest brown / sea trout measured in Environment Agency surveys of the Whately Stream was 25.9 cm, recorded at Ammerham (Sp) on 16 June 2021.

Across 144 measured brown / sea trout, the median measured length was 5.8 cm.

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

See brown / sea trout records across England →

Most recent observation16 June 2021Ammerham (Sp) · 83 fish
Largest measured brown / sea trout
25.9 cm
Median length
5.8 cm
Fish measured
144
Survey locations
1

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
25.9 cm16 Jun 2021Ammerham (Sp)159918
21.3 cm2 Jun 2016Ammerham (Sp)148146
18.9 cm2 Jun 2016Ammerham (Sp)148146
18.8 cm2 Jun 2016Ammerham (Sp)148146
17.1 cm2 Jun 2016Ammerham (Sp)148146
15.3 cm16 Jun 2021Ammerham (Sp)159918
15.3 cm2 Jun 2016Ammerham (Sp)148146
15.1 cm16 Jun 2021Ammerham (Sp)159918
14.7 cm16 Jun 2021Ammerham (Sp)159918
14.4 cm21 May 2010Ammerham (Sp)121691

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
Ammerham (Sp)29 Jul 199716 Jun 20218

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

1997–2021

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 144 measured fish were spread across different length ranges.

Smallest
3.1 cm
Lower quarter
4.9 cm
Median
5.8 cm
Upper quarter
6.7 cm
Largest
25.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Whately Stream

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

Bullhead European eel

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 →