RiverFish

Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the Costa Beck 2011 Project sites

Largest measured rainbow trout: 46.6 cm

The largest rainbow trout measured in Environment Agency surveys of the Costa Beck 2011 Project sites was 46.6 cm, recorded at Upper section 2 on 30 July 2013.

Across 69 measured rainbow trout, the median measured length was 19.9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Costa Beck 2011 Project sites.

See rainbow trout records across England →

Most recent observation3 October 2013Middle Section 4 · 3 fish
Largest measured rainbow trout
46.6 cm
Median length
19.9 cm
Fish measured
69
Survey locations
14

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
46.6 cm30 Jul 2013Upper section 2140236
46.4 cm3 Oct 2013Middle Section 4140247
43.6 cm30 Jul 2013Upper Section 1140238
40.7 cm3 Oct 2013Middle Section 1140244
38.9 cm3 Oct 2011Upper section 3129597
36.3 cm30 Jul 2013Upper Section 1140238
33.9 cm2 Oct 2013Lower Middle (new) Section 3140241
33.4 cm3 Oct 2013Middle Section 2140245
31.7 cm30 Jul 2013Upper Section 1140238
30.3 cm30 Jul 2013Upper section 2140236

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
Middle Section 45 Oct 20113 Oct 20132
Middle Section 35 Oct 20113 Oct 20132
Middle Section 25 Oct 20113 Oct 20132
Middle Section 15 Oct 20113 Oct 20132
Lower Middle (new) Section 32 Oct 20132 Oct 20131
Lower Middle (new) Section 22 Oct 20132 Oct 20131
Upper section 33 Oct 201130 Jul 20132
Upper section 23 Oct 201130 Jul 20132
Upper Section 13 Oct 201130 Jul 20132
Oxfolds Beck3 Oct 201130 Jul 20132
Lower Section 520 Oct 201120 Oct 20111
Lower Section 420 Oct 201120 Oct 20111
Lower Section 320 Oct 201120 Oct 20111
Lower Section 120 Oct 201120 Oct 20111

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

2011–2013

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 69 measured fish were spread across different length ranges.

Smallest
8.6 cm
Lower quarter
17.3 cm
Median
19.9 cm
Upper quarter
22.6 cm
Largest
46.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Costa Beck 2011 Project sites

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

Brown / sea trout Bullhead Grayling European eel

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 →