Rainbow trout · Oncorhynchus mykiss

Rainbow trout in the Long Eau FMU

Largest measured rainbow trout: 50 cm

The largest rainbow trout measured in Environment Agency surveys of the Long Eau FMU was 50 cm, recorded at Castle Carlton on 13 August 2007.

Across 26 measured rainbow trout, the median measured length was 19.7 cm.

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

See rainbow trout records across England →

Most recent observation19 November 2013Little Carlton Mill · 2 fish

Largest measured rainbow trout: 50 cm
Median length: 19.7 cm
Fish measured: 26
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.

Length	Survey date	Survey location	Survey ID
50 cm	13 Aug 2007	Castle Carlton	106300
33.9 cm	19 Nov 2013	Little Carlton Mill	140213
33.5 cm	19 Nov 2013	Little Carlton Mill	140213
28.7 cm	24 Oct 1989	Glebe Farm	57778
28.6 cm	24 Oct 1989	Glebe Farm	57778
28.5 cm	24 Oct 1989	Glebe Farm	57778
25.7 cm	13 Aug 2007	Castle Carlton	106300
25 cm	24 Oct 1989	Glebe Farm	57778
21 cm	13 Aug 2007	Castle Carlton	106300
20.6 cm	13 Aug 2007	Castle Carlton	106300

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
Little Carlton Mill	19 Nov 2013	19 Nov 2013	1
Castle Carlton	13 Aug 2007	13 Aug 2007	1
Glebe Farm	24 Oct 1989	24 Oct 1989	1

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

1989–2013

Survey records by year

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

189

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

005

006

107

008

009

010

011

012

113

Fish measured by surveyors

Measured length distribution

See how the 26 measured fish were spread across different length ranges.

Smallest: 14 cm
Lower quarter: 18.5 cm
Median: 19.7 cm
Upper quarter: 25.5 cm
Largest: 50 cm

100–199 mm

200–299 mm

300–399 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Long Eau FMU

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

3-spined stickleback European eel Roach Dace Stone loach Silver bream

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 →