Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the Louth Canal

Largest measured rainbow trout: 35.2 cm

The largest rainbow trout measured in Environment Agency surveys of the Louth Canal was 35.2 cm, recorded at Keddington Corner on 25 June 2015.

Across 13 measured rainbow trout, the median measured length was 15.1 cm.

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

See rainbow trout records across England →

Most recent observation25 June 2015Keddington Corner · 1 fish
Largest measured rainbow trout
35.2 cm
Median length
15.1 cm
Fish measured
13
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.

LengthSurvey dateSurvey locationSurvey ID
35.2 cm25 Jun 2015Keddington Corner145503
28.2 cm24 May 1999Brian Halls Mill58055
26.3 cm28 May 1986Keddington Corner58015
23.7 cm26 Apr 1995Brian Halls Mill58041
23.4 cm28 May 1986Keddington Corner58015
20 cm26 Apr 1995Brian Halls Mill58041
15.1 cm17 Feb 1987Brian Halls Mill58014
14.6 cm17 Feb 1987Brian Halls Mill58014
12.2 cm17 Feb 1987Brian Halls Mill58014
12 cm17 Feb 1987Brian Halls Mill58014

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
Keddington Corner28 May 198625 Jun 20152
Brian Halls Mill17 Feb 198724 May 19993

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

1986–2015

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
9.5 cm
Lower quarter
12 cm
Median
15.1 cm
Upper quarter
23.7 cm
Largest
35.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Louth Canal

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 →