Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River R.Bain

Largest measured rainbow trout: 42.5 cm

The largest rainbow trout measured in Environment Agency surveys of the River R.Bain was 42.5 cm, recorded at Dalderby on 6 April 1988.

Across 13 measured rainbow trout, the median measured length was 18.9 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 R.Bain.

See rainbow trout records across England →

Most recent observation29 March 1994Market Bridge (Roman Road) · 1 fish
Largest measured rainbow trout
42.5 cm
Median length
18.9 cm
Fish measured
13
Survey locations
4

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.

LengthSurvey dateSurvey locationSurvey ID
42.5 cm6 Apr 1988Dalderby53181
39.2 cm29 Mar 1994Market Bridge (Roman Road)53320
32.8 cm15 Oct 1985Dalderby53080
31.2 cm15 Oct 1985Dalderby53080
19.9 cm5 Apr 1988Tumby Lawn53183
18.9 cm7 Apr 1988Horncastle Town53178
18.9 cm7 Apr 1988Horncastle Town53178
18.4 cm7 Apr 1988Horncastle Town53178
18.4 cm7 Apr 1988Horncastle Town53178
18.2 cm7 Apr 1988Horncastle Town53178

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 surveyedFirst recordedLast recordedVisits finding rainbow trout
Market Bridge (Roman Road)29 Mar 199429 Mar 19941
Horncastle Town7 Apr 19887 Apr 19881
Dalderby15 Oct 19856 Apr 19882
Tumby Lawn5 Apr 19885 Apr 19881

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

1985–1994

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest
16.2 cm
Lower quarter
18.2 cm
Median
18.9 cm
Upper quarter
31.2 cm
Largest
42.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Bain

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 →