RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Fynn

Largest measured brown / sea trout: 43 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Fynn was 43 cm, recorded at Martlesham Bridge on 7 April 1998.

Across 87 measured brown / sea trout, the median measured length was 25.9 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 Fynn.

See brown / sea trout records across England →

Most recent observation7 March 2017Martlesham Bridge · 5 fish
Largest measured brown / sea trout
43 cm
Median length
25.9 cm
Fish measured
87
Survey locations
3

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
43 cm7 Apr 1998Martlesham Bridge13456
42.8 cm10 Oct 2008Special Survey MB115812
41.3 cm10 Oct 2008Special Survey MB115812
41 cm10 Oct 2008Special Survey MB115812
40.8 cm10 Oct 2008Special Survey MB115812
40.3 cm10 Oct 2008Special Survey MB115812
40.1 cm10 Oct 2008Special Survey MB115812
39.9 cm10 Oct 2008Special Survey MB115812
39.8 cm10 Oct 2008Special Survey MB115812
36.9 cm10 Oct 2008Special Survey MB115812

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
Martlesham Bridge7 Apr 19987 Mar 20174
Little Bealings Bridge4 Feb 20114 Feb 20111
Special Survey MB10 Oct 200810 Oct 20081

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

1998–2017

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 87 measured fish were spread across different length ranges.

Smallest
9.9 cm
Lower quarter
13.2 cm
Median
25.9 cm
Upper quarter
30.2 cm
Largest
43 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Fynn

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

3-spined stickleback Stone loach European eel 10-spined stickleback Flounder

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 →