RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Crowlas

Largest measured brown / sea trout: 22.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Crowlas was 22.3 cm, recorded at Marazion on 2 June 2021.

Across 166 measured brown / sea trout, the median measured length was 10.5 cm.

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

See brown / sea trout records across England →

Most recent observation4 June 2021Truthwall Mill · 51 fish
Largest measured brown / sea trout
22.3 cm
Median length
10.5 cm
Fish measured
166
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
22.3 cm2 Jun 2021Marazion160514
20.1 cm4 Jun 2021Truthwall Mill160515
19.8 cm4 Jun 2021Truthwall Mill160515
19.5 cm4 Jun 2021Truthwall Mill160515
19.3 cm2 Jun 2021Marazion160514
19 cm17 May 2011Cucurrian126531
18.8 cm3 Jun 2021Nancledra160512
18.5 cm17 May 2011Cucurrian126531
18.4 cm4 Jun 2021Truthwall Mill160515
18.3 cm2 Jun 2021Marazion160514

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
Truthwall Mill6 Jul 19874 Jun 20212
Nancledra23 Jun 19873 Jun 20212
Marazion23 Jun 19872 Jun 20212
Cucurrian9 Jun 198617 May 20113
Amalebra26 Jun 198726 Jun 19871
Chypons25 Jun 198725 Jun 19871

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

1986–2021

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 166 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
8.7 cm
Median
10.5 cm
Upper quarter
13 cm
Largest
22.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Crowlas

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

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 →