RiverFish

Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the River Ribble

Largest measured rainbow trout: 40.7 cm

The largest rainbow trout measured in Environment Agency surveys of the River Ribble was 40.7 cm, recorded at Underbank (Near Flats) on 21 August 2006.

Across 7 measured rainbow trout, the median measured length was 16.1 cm.

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

See rainbow trout records across England →

Most recent observation21 August 2006Underbank (Near Flats) · 2 fish
Largest measured rainbow trout
40.7 cm
Median length
16.1 cm
Fish measured
7
Survey locations
3

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
40.7 cm21 Aug 2006Underbank (Near Flats)103104
38 cm21 Aug 2006Underbank (Near Flats)103104
17.9 cm13 Sept 2004Upstream Washpits84103
16.1 cm13 Sept 2004Upstream Washpits84103
16 cm13 Sept 2004Washpits84093
14.7 cm13 Sept 2004Washpits84093
11.8 cm13 Sept 2004Underbank (Near Flats)84097

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
Underbank (Near Flats)13 Sept 200421 Aug 20062
Washpits13 Sept 200413 Sept 20041
Upstream Washpits13 Sept 200413 Sept 20041

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

2004–2006

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 7 measured fish were spread across different length ranges.

Smallest
11.8 cm
Lower quarter
15.4 cm
Median
16.1 cm
Upper quarter
28 cm
Largest
40.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ribble

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

Brown / sea trout Stone loach 3-spined stickleback

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 →