Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the Roman River (Main Reaches)

Largest measured rainbow trout: 44.1 cm

The largest rainbow trout measured in Environment Agency surveys of the Roman River (Main Reaches) was 44.1 cm, recorded at Bounstead FGS on 28 June 1999.

Across 23 measured rainbow trout, the median measured length was 38.1 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 rainbow trout records across England →

Most recent observation28 June 1999Bounstead FGS · 1 fish

Largest measured rainbow trout: 44.1 cm
Median length: 38.1 cm
Fish measured: 23
Survey locations: 2

Individual EA measurements

Largest measured rainbow trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
44.1 cm	28 Jun 1999	Bounstead FGS	14699
42.3 cm	15 Nov 1990	Upstream Layer Mill	14685
41.9 cm	15 Nov 1990	Upstream Layer Mill	14685
41.8 cm	15 Nov 1990	Upstream Layer Mill	14685
41 cm	15 Nov 1990	Upstream Layer Mill	14685
40.5 cm	19 Oct 1993	Upstream Layer Mill	14690
40.5 cm	15 Nov 1990	Upstream Layer Mill	14685
40.5 cm	15 Nov 1990	Upstream Layer Mill	14685
40.3 cm	6 Jun 1996	Bounstead FGS	14694
39.1 cm	15 Nov 1990	Upstream Layer Mill	14685

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where rainbow trout were found

Each point marks a survey location with at least one rainbow 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 surveyed	First recorded	Last recorded	Visits finding rainbow trout
Bounstead FGS	20 Oct 1993	28 Jun 1999	3
Upstream Layer Mill	15 Nov 1990	19 Oct 1993	2

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

1990–1999

Survey records by year

Each bar shows how many survey visits recorded rainbow trout that year.

190

091

092

293

094

095

196

097

098

199

Fish measured by surveyors

Measured length distribution

See how the 23 measured fish were spread across different length ranges.

Smallest: 34.5 cm
Lower quarter: 36.8 cm
Median: 38.1 cm
Upper quarter: 40.5 cm
Largest: 44.1 cm

300–399 mm

400–499 mm

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.

European eel Roach Stone loach Dace Gudgeon Brown / sea trout

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 →