Brown / sea trout · Salmo trutta

Brown / sea trout in the Roman River (Main Reaches)

Largest measured brown / sea trout: 48.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the Roman River (Main Reaches) was 48.7 cm, recorded at Park Farm on 21 October 2011.

Across 336 measured brown / sea trout, the median measured length was 23.9 cm.

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

See brown / sea trout records across England →

Most recent observation12 October 2025Bounstead FGS · 16 fish
Largest measured brown / sea trout
48.7 cm
Median length
23.9 cm
Fish measured
336
Survey locations
4

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
48.7 cm21 Oct 2011Park Farm128846
45 cm2 Jul 1999Olivers Farm14701
45 cm2 Jul 1999Olivers Farm14701
43.1 cm28 Jun 1999Bounstead FGS14699
42.3 cm8 Nov 2005Upstream Layer Mill88025
42 cm16 Oct 2017Upstream Layer Mill152383
42 cm14 Nov 2005Olivers Farm88026
41.8 cm28 Jun 1999Bounstead FGS14699
39.7 cm17 Oct 2017Bounstead FGS152380
39.1 cm2 Jul 1999Olivers Farm14701

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
Bounstead FGS28 Jun 199912 Oct 20258
Upstream Layer Mill29 Jun 199916 Oct 20174
Park Farm21 Oct 201121 Oct 20111
Olivers Farm22 Oct 199314 Nov 20054

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

1993–2025

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 336 measured fish were spread across different length ranges.

Smallest
6.2 cm
Lower quarter
12.6 cm
Median
24 cm
Upper quarter
29.4 cm
Largest
48.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Roman River (Main Reaches)

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

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 →